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  "speech_analysis": {
    "Ch": 0.331210196018219,
    "Rt": 0.6284500956535339,
    "average_speech_rate": 190.3495635986328,
    "intonation_change_frequency": 0,
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    "speech_record": [
      "0",
      "00:00:36,060 --> 00:00:36,660",
      "教师:好，上课。 |db=80|answer_unison=false|sti=0.931970",
      "1",
      "00:00:37,020 --> 00:00:37,260",
      "学生:起立。 |db=92|answer_unison=true|sti=0.855074",
      "2",
      "00:00:39,720 --> 00:00:40,140",
      "教师:同学们好。 |db=77|answer_unison=false|sti=0.612677",
      "3",
      "00:00:40,800 --> 00:00:42,300",
      "学生:老师您好。 |db=92|answer_unison=true|sti=0.942438",
      "4",
      "00:00:43,080 --> 00:00:43,320",
      "教师:请坐。 |db=78|answer_unison=false|sti=0.985384",
      "5",
      "00:00:45,300 --> 00:00:49,920",
      "教师:同学们，小瑞宝担心家了，我们一起来参观一下。 |db=81|answer_unison=false|sti=0.884839",
      "6",
      "00:00:52,920 --> 00:00:58,740",
      "教师:他呀想把自己的房间里面铺上地板，坐上踢脚线。 |db=80|answer_unison=false|sti=0.912036",
      "7",
      "00:01:00,180 --> 00:01:02,640",
      "教师:找找地板应该铺在哪里吗？ |db=83|answer_unison=false|sti=0.997332",
      "8",
      "00:01:04,440 --> 00:01:04,920",
      "教师:你来说。 |db=85|answer_unison=false|sti=0.997598",
      "9",
      "00:01:06,660 --> 00:01:08,760",
      "学生:地板应该在最上面。 |db=66|answer_unison=false|sti=0.881440",
      "10",
      "00:01:09,780 --> 00:01:14,460",
      "教师:地面上是不是伸出我们的手掌，一起来摸一摸？ |db=84|answer_unison=false|sti=0.948964",
      "11",
      "00:01:19,560 --> 00:01:22,500",
      "教师:那踢脚线的位置呢，谁来找找看。 |db=83|answer_unison=false|sti=0.896381",
      "12",
      "00:01:23,400 --> 00:01:23,700",
      "教师:你来。 |db=86|answer_unison=false|sti=0.993592",
      "13",
      "00:01:24,420 --> 00:01:28,140",
      "学生:一脚线就是和地板临接的那几条线。 |db=68|answer_unison=false|sti=0.908501",
      "14",
      "00:01:29,580 --> 00:01:29,940",
      "教师:同意吗？ |db=88|answer_unison=false|sti=0.996178",
      "15",
      "00:01:30,600 --> 00:01:30,780",
      "学生:同意。 |db=69|answer_unison=true|sti=0.277526",
      "16",
      "00:01:31,020 --> 00:01:34,080",
      "教师:伸出你的手指，跟我一起来指一指。 |db=81|answer_unison=false|sti=0.926239",
      "17",
      "00:01:40,260 --> 00:01:43,920",
      "教师:为了方便研究呀，老师带来了一个长方体。 |db=80|answer_unison=false|sti=0.995878",
      "18",
      "00:01:45,660 --> 00:01:49,380",
      "教师:回顾一下长方体有几个不同的面？ |db=78|answer_unison=false|sti=0.965578",
      "19",
      "00:01:53,820 --> 00:01:54,300",
      "教师:你来说。 |db=86|answer_unison=false|sti=0.993447",
      "20",
      "00:01:55,620 --> 00:01:56,580",
      "学生:三个不同的面。 |db=71|answer_unison=false|sti=0.980122",
      "21",
      "00:01:56,820 --> 00:01:58,380",
      "教师:嗯，你上来指给大家看一看。 |db=81|answer_unison=false|sti=0.953944",
      "22",
      "00:02:00,360 --> 00:02:00,420",
      "学生:嗯。 |db=64|answer_unison=false|sti=0.814337",
      "23",
      "00:02:02,400 --> 00:02:02,880",
      "学生:第一个。 |db=67|answer_unison=false|sti=0.960060",
      "24",
      "00:02:03,480 --> 00:02:03,540",
      "学生:嗯。 |db=63|answer_unison=false|sti=0.660976",
      "25",
      "00:02:03,960 --> 00:02:05,160",
      "学生:然后呢，第二个。 |db=68|answer_unison=false|sti=0.702212",
      "26",
      "00:02:05,520 --> 00:02:05,580",
      "学生:嗯。 |db=67|answer_unison=false|sti=0.442035",
      "27",
      "00:02:05,820 --> 00:02:06,240",
      "学生:第三个。 |db=67|answer_unison=false|sti=0.786323",
      "28",
      "00:02:06,900 --> 00:02:07,320",
      "教师:同意吗？ |db=84|answer_unison=false|sti=0.996439",
      "29",
      "00:02:07,620 --> 00:02:07,920",
      "学生:同意。 |db=80|answer_unison=true|sti=0.821802",
      "30",
      "00:02:09,240 --> 00:02:12,420",
      "教师:长方体有这样三个不同的面。 |db=85|answer_unison=false|sti=0.989235",
      "31",
      "00:02:13,500 --> 00:02:17,820",
      "教师:那今天呀，我们就来借助这个长方体进行研究。 |db=82|answer_unison=false|sti=0.944669",
      "32",
      "00:02:21,120 --> 00:02:22,680",
      "教师:一起来看到探究要求。 |db=81|answer_unison=false|sti=0.974575",
      "33",
      "00:02:23,400 --> 00:02:23,880",
      "教师:谁来读？ |db=83|answer_unison=false|sti=0.968595",
      "34",
      "00:02:25,560 --> 00:02:26,040",
      "教师:请你来。 |db=85|answer_unison=false|sti=0.949964",
      "35",
      "00:02:27,540 --> 00:02:42,480",
      "学生:探究要求一选任选一种工具，工具硬泥水彩笔，二做在纸上留下长方形，三说在小组内介绍你的作品。 |db=77|answer_unison=false|sti=0.936527",
      "36",
      "00:02:42,900 --> 00:02:43,680",
      "教师:听清楚了没有？ |db=83|answer_unison=false|sti=0.993825",
      "37",
      "00:02:43,920 --> 00:02:44,580",
      "教师:听清楚了。 |db=86|answer_unison=false|sti=0.969394",
      "38",
      "00:02:45,060 --> 00:02:46,620",
      "教师:好的，那就开始操作吧。 |db=84|answer_unison=false|sti=0.981904",
      "39",
      "00:02:55,620 --> 00:02:56,040",
      "教师:是这样的。 |db=77|answer_unison=false|sti=0.826916",
      "40",
      "00:03:49,680 --> 00:05:19,200",
      "教师:好的，好，好，说停。 |db=62|answer_unison=false|sti=0.665497",
      "41",
      "00:05:19,980 --> 00:05:20,280",
      "学生:就庭。 |db=91|answer_unison=true|sti=0.877084",
      "42",
      "00:05:22,620 --> 00:05:28,260",
      "教师:老师拍了两幅作品在黑板上，我们有请他们的小主人上台来给他们介绍一下好不好？ |db=78|answer_unison=false|sti=0.972403",
      "43",
      "00:05:28,740 --> 00:05:28,800",
      "教师:来。 |db=80|answer_unison=false|sti=0.993041",
      "44",
      "00:05:32,100 --> 00:05:34,200",
      "教师:好，你先介绍。 |db=64|answer_unison=false|sti=0.816569",
      "45",
      "00:05:35,580 --> 00:05:40,140",
      "学生:我是我是用硬泥因为它是它最宽的一面长方形。 |db=74|answer_unison=false|sti=0.840451",
      "46",
      "00:05:40,560 --> 00:05:40,620",
      "教师:嗯。 |db=74|answer_unison=false|sti=0.805326",
      "47",
      "00:05:41,160 --> 00:05:45,900",
      "学生:然后呢，把它按在然后出现了这个长方形的这个路子。 |db=73|answer_unison=false|sti=0.845641",
      "48",
      "00:05:46,560 --> 00:05:48,660",
      "教师:哦，你把它的面留下来了，是不是？ |db=80|answer_unison=false|sti=0.896321",
      "49",
      "00:05:48,960 --> 00:05:49,020",
      "教师:好。 |db=80|answer_unison=false|sti=0.797209",
      "50",
      "00:05:51,420 --> 00:05:58,380",
      "学生:呃，我是把橡皮擦先紧紧地压在纸上，然后按照它的边呃描出来。 |db=76|answer_unison=false|sti=0.911992",
      "51",
      "00:05:59,880 --> 00:06:08,760",
      "教师:你把它的一出边线给它描出来了，好，谢谢你们，同学们，它们都留下了长方形。 |db=83|answer_unison=false|sti=0.930755",
      "52",
      "00:06:10,080 --> 00:06:12,360",
      "教师:那不同的地方在哪里呢？ |db=82|answer_unison=false|sti=0.987716",
      "53",
      "00:06:16,080 --> 00:06:16,560",
      "教师:你说说。 |db=83|answer_unison=false|sti=0.864927",
      "54",
      "00:06:17,100 --> 00:06:26,880",
      "学生:它们它们有一个是实心，实心的，就是它里面是涂有颜色的，而另外一个则是空着的。 |db=79|answer_unison=false|sti=0.919392",
      "55",
      "00:06:27,900 --> 00:06:30,840",
      "学生:它里面是没有颜色之类的。 |db=79|answer_unison=false|sti=0.959801",
      "56",
      "00:06:31,380 --> 00:06:31,860",
      "教师:同意吗？ |db=88|answer_unison=false|sti=0.996850",
      "57",
      "00:06:32,340 --> 00:06:32,700",
      "学生:同意。 |db=76|answer_unison=true|sti=0.985382",
      "58",
      "00:06:33,180 --> 00:06:34,680",
      "教师:是呀，像这样。 |db=85|answer_unison=false|sti=0.936101",
      "59",
      "00:06:39,300 --> 00:06:43,380",
      "教师:我们把它称为长方形的一周边线。 |db=84|answer_unison=false|sti=0.996749",
      "60",
      "00:06:51,000 --> 00:06:55,020",
      "教师:而像那样的一片，我们称为长方形的。 |db=82|answer_unison=false|sti=0.960717",
      "61",
      "00:06:55,860 --> 00:06:56,580",
      "学生:面面体。 |db=79|answer_unison=true|sti=0.749780",
      "62",
      "00:06:57,960 --> 00:06:58,260",
      "教师:个面。 |db=77|answer_unison=false|sti=0.955870",
      "63",
      "00:07:03,000 --> 00:07:05,400",
      "教师:同学们感受到它们的不一样了吗？ |db=77|answer_unison=false|sti=0.984904",
      "64",
      "00:07:05,880 --> 00:07:06,960",
      "学生:感受到了。 |db=79|answer_unison=true|sti=0.749467",
      "65",
      "00:07:07,380 --> 00:07:09,540",
      "教师:太够，我们接着探究。 |db=78|answer_unison=false|sti=0.873913",
      "66",
      "00:07:11,100 --> 00:07:11,700",
      "教师:要求谁来。 |db=78|answer_unison=false|sti=0.886507",
      "67",
      "00:07:31,260 --> 00:07:31,560",
      "教师:你来。 |db=79|answer_unison=false|sti=0.993638",
      "68",
      "00:07:32,940 --> 00:07:47,460",
      "学生:探究二，探究要求一，描描出每个长方形的一周电线，图，用不同颜色的比图中它们的面小， |db=66|answer_unison=false|sti=0.872394",
      "69",
      "00:07:48,840 --> 00:07:52,080",
      "学生:把你的发现在小组里说一说。 |db=67|answer_unison=false|sti=0.995996",
      "70",
      "00:07:52,560 --> 00:07:53,160",
      "教师:听清楚了？ |db=79|answer_unison=false|sti=0.894393",
      "71",
      "00:07:54,300 --> 00:07:57,180",
      "教师:好，在探究二的部分开始你的研究。 |db=77|answer_unison=false|sti=0.987365",
      "72",
      "00:09:26,820 --> 00:09:30,300",
      "教师:完成的小朋友可以在小组里面说一说你的发现。 |db=72|answer_unison=false|sti=0.983560",
      "73",
      "00:10:14,580 --> 00:10:14,640",
      "学生:是。 |db=66|answer_unison=false|sti=0.729834",
      "74",
      "00:10:58,500 --> 00:10:58,740",
      "学生:大小。 |db=74|answer_unison=true|sti=0.719534",
      "75",
      "00:11:49,380 --> 00:11:53,880",
      "学生:老师用铅笔笔描的，用黑笔描的， |db=80|answer_unison=false|sti=0.778177",
      "76",
      "00:11:55,860 --> 00:12:14,520",
      "学生:用蓝色的黄色。 |db=75|answer_unison=true|sti=0.666248",
      "77",
      "00:12:19,380 --> 00:12:19,560",
      "教师:好啦。 |db=78|answer_unison=false|sti=0.767765",
      "78",
      "00:12:55,980 --> 00:12:57,960",
      "教师:来，完成好了吗？ |db=83|answer_unison=false|sti=0.823404",
      "79",
      "00:12:58,500 --> 00:12:59,280",
      "学生:完成好了。 |db=83|answer_unison=false|sti=0.935198",
      "80",
      "00:12:59,700 --> 00:13:00,180",
      "教师:说停。 |db=89|answer_unison=false|sti=0.959776",
      "81",
      "00:13:00,900 --> 00:13:01,200",
      "学生:就给。 |db=92|answer_unison=true|sti=0.445012",
      "82",
      "00:13:01,860 --> 00:13:04,740",
      "教师:我看一下，嗯，第二组我看到好了。 |db=84|answer_unison=false|sti=0.935303",
      "83",
      "00:13:05,940 --> 00:13:11,340",
      "教师:老师在这里啊也拍到了一幅这样的作品，我们一起来看一看。 |db=81|answer_unison=false|sti=0.989547",
      "84",
      "00:13:14,280 --> 00:13:15,660",
      "教师:好，请这个小组上台。 |db=75|answer_unison=false|sti=0.930987",
      "85",
      "00:13:16,200 --> 00:13:16,260",
      "学生:嗯。 |db=63|answer_unison=false|sti=0.459477",
      "86",
      "00:13:16,560 --> 00:13:16,620",
      "学生:嗯， |db=65|answer_unison=false|sti=0.503182",
      "87",
      "00:13:16,860 --> 00:13:18,180",
      "教师:好，好，你们来吧。 |db=74|answer_unison=false|sti=0.601987",
      "88",
      "00:13:18,600 --> 00:13:18,900",
      "学生:老师。 |db=69|answer_unison=false|sti=0.581471",
      "89",
      "00:13:19,440 --> 00:13:20,100",
      "教师:好，等一下。 |db=72|answer_unison=false|sti=0.963908",
      "90",
      "00:13:22,980 --> 00:13:23,880",
      "教师:来，上来，上来。 |db=72|answer_unison=false|sti=0.737016",
      "91",
      "00:13:27,780 --> 00:13:27,840",
      "教师:好。 |db=70|answer_unison=false|sti=0.786622",
      "92",
      "00:13:30,060 --> 00:13:30,240",
      "学生:我是。 |db=75|answer_unison=false|sti=0.777612",
      "93",
      "00:13:30,780 --> 00:13:30,840",
      "教师:好， |db=82|answer_unison=false|sti=0.776505",
      "94",
      "00:13:31,140 --> 00:13:31,200",
      "学生:我。 |db=71|answer_unison=false|sti=0.839761",
      "95",
      "00:13:32,820 --> 00:13:40,380",
      "学生:我是先涂这个颜色，然后先涂这个长方形的颜色，然后再用铅笔描出来了这个一周边线。 |db=73|answer_unison=false|sti=0.952734",
      "96",
      "00:13:41,400 --> 00:13:44,760",
      "教师:嗯，你能跟我们说一说，具体说一说你在哪里涂出的颜色吗？ |db=79|answer_unison=false|sti=0.935432",
      "97",
      "00:13:45,540 --> 00:13:48,660",
      "学生:我是在中间涂的颜色，一是在中间的周围。 |db=74|answer_unison=false|sti=0.875167",
      "98",
      "00:13:50,100 --> 00:13:50,940",
      "教师:好，第二个。 |db=60|answer_unison=false|sti=0.807953",
      "99",
      "00:13:53,040 --> 00:13:53,100",
      "学生:嗯。 |db=63|answer_unison=false|sti=0.346166",
      "100",
      "00:13:54,900 --> 00:14:01,380",
      "教师:我是直着说一说。 |db=70|answer_unison=false|sti=0.966603",
      "101",
      "00:14:03,660 --> 00:14:06,720",
      "学生:嗯我是先把。 |db=64|answer_unison=false|sti=0.808451",
      "102",
      "00:14:07,260 --> 00:14:07,320",
      "教师:嗯。 |db=65|answer_unison=false|sti=0.796396",
      "103",
      "00:14:08,280 --> 00:14:09,780",
      "学生:边线先量了一圈。 |db=69|answer_unison=false|sti=0.909070",
      "104",
      "00:14:10,260 --> 00:14:10,320",
      "教师:嗯。 |db=71|answer_unison=false|sti=0.928209",
      "105",
      "00:14:10,980 --> 00:14:13,920",
      "学生:然后再涂里面的颜色。 |db=71|answer_unison=false|sti=0.988390",
      "106",
      "00:14:19,020 --> 00:14:25,020",
      "学生:我也是用先把边线量好，然后在边线里面画一下。 |db=67|answer_unison=false|sti=0.896029",
      "107",
      "00:14:27,840 --> 00:14:32,940",
      "学生:呃我们小组发现，虽然它们都是长方形，但它们的面积和周长不一样。 |db=72|answer_unison=false|sti=0.931003",
      "108",
      "00:14:35,040 --> 00:14:35,460",
      "教师:同意吗？ |db=78|answer_unison=false|sti=0.993562",
      "109",
      "00:14:35,940 --> 00:14:36,240",
      "学生:同意。 |db=84|answer_unison=true|sti=0.941229",
      "110",
      "00:14:36,780 --> 00:14:38,160",
      "教师:我们先把掌声送给他们。 |db=84|answer_unison=false|sti=0.944332",
      "111",
      "00:14:42,120 --> 00:14:53,640",
      "教师:他们呀一下子就去发现了它们的不同，那同学们看一看我们在图列和描一周边线的过程中， |db=81|answer_unison=false|sti=0.961348",
      "112",
      "00:14:54,180 --> 00:14:55,800",
      "教师:有没有什么相同的地方？ |db=77|answer_unison=false|sti=0.903803",
      "113",
      "00:14:56,460 --> 00:14:56,520",
      "教师:有。 |db=69|answer_unison=false|sti=0.641278",
      "114",
      "00:14:59,040 --> 00:15:00,000",
      "教师:女孩你发现了。 |db=82|answer_unison=false|sti=0.973336",
      "115",
      "00:15:01,920 --> 00:15:10,080",
      "学生:我发现它们虽然里面的面积，还有一周边线的长，但是它们都是长方形。 |db=71|answer_unison=false|sti=0.914458",
      "116",
      "00:15:10,740 --> 00:15:12,300",
      "教师:嗯，都是长方形，还有吗？ |db=78|answer_unison=false|sti=0.959302",
      "117",
      "00:15:13,860 --> 00:15:14,400",
      "教师:男孩你说。 |db=84|answer_unison=false|sti=0.990320",
      "118",
      "00:15:14,820 --> 00:15:23,040",
      "学生:我发现一周边线就是绕着那个长方形的边转一圈，然后面就是把它里面同时。 |db=80|answer_unison=false|sti=0.957825",
      "119",
      "00:15:25,440 --> 00:15:25,860",
      "教师:听明白？ |db=80|answer_unison=false|sti=0.638517",
      "120",
      "00:15:26,940 --> 00:15:27,420",
      "学生:明白了。 |db=77|answer_unison=true|sti=0.954283",
      "121",
      "00:15:27,660 --> 00:15:37,320",
      "教师:是呀，在这里我们长方形的这三个，我们画出的这三个长方形都有一周边线和。 |db=83|answer_unison=false|sti=0.984134",
      "122",
      "00:15:39,300 --> 00:15:39,360",
      "教师:和。 |db=46|answer_unison=false|sti=0.971154",
      "123",
      "00:15:40,560 --> 00:15:40,920",
      "学生:面面。 |db=89|answer_unison=true|sti=0.546292",
      "124",
      "00:15:41,520 --> 00:15:43,500",
      "教师:一周边线在位的。 |db=85|answer_unison=false|sti=0.784345",
      "125",
      "00:15:45,180 --> 00:15:45,240",
      "学生:面。 |db=81|answer_unison=true|sti=0.733573",
      "126",
      "00:15:46,020 --> 00:15:50,220",
      "教师:外面，而面在一中间线到面。 |db=86|answer_unison=false|sti=0.792817",
      "127",
      "00:15:51,180 --> 00:15:51,540",
      "教师:是呀。 |db=76|answer_unison=false|sti=0.914814",
      "128",
      "00:15:55,260 --> 00:15:59,160",
      "教师:大家找到了这三个长方形的相同之处。 |db=81|answer_unison=false|sti=0.995318",
      "129",
      "00:16:02,640 --> 00:16:02,700",
      "教师:好。 |db=61|answer_unison=false|sti=0.920018",
      "130",
      "00:16:03,720 --> 00:16:08,520",
      "教师:刚才啊，其实已经有小朋友在说它的不同了，那我们继续来说一说。 |db=81|answer_unison=false|sti=0.959210",
      "131",
      "00:16:09,780 --> 00:16:12,060",
      "教师:你发现的哪些方面是不一样的？ |db=80|answer_unison=false|sti=0.981127",
      "132",
      "00:16:14,880 --> 00:16:15,120",
      "教师:说说。 |db=87|answer_unison=false|sti=0.987695",
      "133",
      "00:16:15,900 --> 00:16:25,680",
      "学生:我发现它的面，它的面和它的一周边线的总和加起来，和还有它那个面的大小是不一样的。 |db=74|answer_unison=false|sti=0.956718",
      "134",
      "00:16:26,940 --> 00:16:29,100",
      "教师:面的大小不同，能看得出来吗？ |db=83|answer_unison=false|sti=0.982600",
      "135",
      "00:16:29,760 --> 00:16:29,820",
      "学生:能。 |db=72|answer_unison=true|sti=0.759265",
      "136",
      "00:16:30,720 --> 00:16:32,340",
      "教师:是呀，面是有。 |db=79|answer_unison=false|sti=0.976757",
      "137",
      "00:16:34,560 --> 00:16:36,480",
      "教师:大小的，我把它们圈下。 |db=76|answer_unison=false|sti=0.825332",
      "138",
      "00:16:52,920 --> 00:16:53,760",
      "教师:还有什么不同？ |db=73|answer_unison=false|sti=0.989507",
      "139",
      "00:16:58,860 --> 00:16:59,400",
      "教师:女孩你说。 |db=87|answer_unison=false|sti=0.595922",
      "140",
      "00:17:00,660 --> 00:17:02,040",
      "学生:应该根这长度的。 |db=67|answer_unison=false|sti=0.791493",
      "141",
      "00:17:05,100 --> 00:17:05,400",
      "教师:同意。 |db=85|answer_unison=false|sti=0.943152",
      "142",
      "00:17:07,260 --> 00:17:08,640",
      "教师:那怎么验证呢？ |db=76|answer_unison=false|sti=0.971769",
      "143",
      "00:17:09,660 --> 00:17:10,800",
      "教师:有没有想到好办法？ |db=80|answer_unison=false|sti=0.957494",
      "144",
      "00:17:12,780 --> 00:17:13,200",
      "教师:你说说。 |db=86|answer_unison=false|sti=0.985723",
      "145",
      "00:17:13,680 --> 00:17:14,460",
      "学生:用直尺量。 |db=70|answer_unison=false|sti=0.829018",
      "146",
      "00:17:15,600 --> 00:17:16,080",
      "教师:说完整。 |db=83|answer_unison=false|sti=0.975062",
      "147",
      "00:17:16,500 --> 00:17:16,560",
      "学生:量。 |db=83|answer_unison=false|sti=0.913155",
      "148",
      "00:17:16,980 --> 00:17:19,440",
      "学生:尺量一线。 |db=68|answer_unison=false|sti=0.921149",
      "149",
      "00:17:21,000 --> 00:17:21,060",
      "教师:嗯。 |db=54|answer_unison=false|sti=0.927812",
      "150",
      "00:17:22,740 --> 00:17:22,920",
      "教师:怎么？ |db=72|answer_unison=false|sti=0.349959",
      "151",
      "00:17:23,460 --> 00:17:23,940",
      "教师:嗯，老师。 |db=72|answer_unison=false|sti=0.694010",
      "152",
      "00:17:25,140 --> 00:17:25,860",
      "教师:哎你说一说， |db=81|answer_unison=false|sti=0.717102",
      "153",
      "00:17:26,340 --> 00:17:30,000",
      "学生:从从零刻度开始量。 |db=61|answer_unison=false|sti=0.949327",
      "154",
      "00:17:30,420 --> 00:17:30,480",
      "教师:嗯。 |db=59|answer_unison=false|sti=0.966674",
      "155",
      "00:17:31,680 --> 00:17:32,760",
      "教师:你想量出。 |db=81|answer_unison=false|sti=0.998370",
      "156",
      "00:17:34,320 --> 00:17:37,800",
      "学生:呃，我想量出一个横竖的那个。 |db=66|answer_unison=false|sti=0.695116",
      "157",
      "00:17:38,760 --> 00:17:39,720",
      "学生:红色的正方体。 |db=61|answer_unison=false|sti=0.936762",
      "158",
      "00:17:40,680 --> 00:17:42,780",
      "教师:呃，红色的这个一周是不是？ |db=76|answer_unison=false|sti=0.841001",
      "159",
      "00:17:43,020 --> 00:17:45,120",
      "教师:谁来帮他继续完善一下怎么量？ |db=80|answer_unison=false|sti=0.922093",
      "160",
      "00:17:46,500 --> 00:17:46,740",
      "教师:你说。 |db=83|answer_unison=false|sti=0.971467",
      "161",
      "00:17:47,580 --> 00:17:53,100",
      "学生:就是你先用直尺量一下它的一条，量一下它的一条边。 |db=68|answer_unison=false|sti=0.914877",
      "162",
      "00:17:54,060 --> 00:18:00,780",
      "学生:再用它的一条一条边，如果它它其他边应该都是和它一模一样的，所以你再呈上来四。 |db=70|answer_unison=false|sti=0.878698",
      "163",
      "00:18:02,340 --> 00:18:04,860",
      "教师:哦不是不是长方形啊，好。 |db=75|answer_unison=false|sti=0.863118",
      "164",
      "00:18:05,820 --> 00:18:07,500",
      "教师:好，请坐啊，你说你说。 |db=80|answer_unison=false|sti=0.895972",
      "165",
      "00:18:07,740 --> 00:18:07,800",
      "教师:嗯。 |db=72|answer_unison=false|sti=0.881454",
      "166",
      "00:18:08,460 --> 00:18:20,460",
      "学生:应该是偏量长加宽，然后呢，因为长和宽都有两条是一样的，所以说在乘加二就算出来总和， |db=74|answer_unison=false|sti=0.918681",
      "167",
      "00:18:20,700 --> 00:18:23,040",
      "学生:把总和比下就知道哪个长哪个短。 |db=67|answer_unison=false|sti=0.907100",
      "168",
      "00:18:23,460 --> 00:18:25,620",
      "教师:也就是说，你们想把四条边的。 |db=80|answer_unison=false|sti=0.887558",
      "169",
      "00:18:26,700 --> 00:18:29,100",
      "教师:量出来，把四条边量出来，再把它们。 |db=84|answer_unison=false|sti=0.963919",
      "170",
      "00:18:29,940 --> 00:18:30,000",
      "教师:压。 |db=73|answer_unison=false|sti=0.774258",
      "171",
      "00:18:30,480 --> 00:18:32,940",
      "教师:加起来，可以的，还有没有其他好办法？ |db=85|answer_unison=false|sti=0.945966",
      "172",
      "00:18:34,800 --> 00:18:35,340",
      "教师:最后女生。 |db=83|answer_unison=false|sti=0.985436",
      "173",
      "00:18:35,880 --> 00:18:40,080",
      "学生:可以用绳子围一圈，然后再把绳子展开，用尺子量一下。 |db=68|answer_unison=false|sti=0.990937",
      "174",
      "00:18:40,860 --> 00:18:41,220",
      "教师:行不行？ |db=79|answer_unison=false|sti=0.983895",
      "175",
      "00:18:42,120 --> 00:18:44,040",
      "教师:好，张老师把它画出来。 |db=76|answer_unison=false|sti=0.772194",
      "176",
      "00:18:50,520 --> 00:18:52,320",
      "教师:这个一周边线也把它。 |db=81|answer_unison=false|sti=0.990998",
      "177",
      "00:18:54,180 --> 00:18:54,660",
      "教师:取下来。 |db=68|answer_unison=false|sti=0.988542",
      "178",
      "00:19:00,660 --> 00:19:00,900",
      "教师:这个。 |db=60|answer_unison=false|sti=0.922253",
      "179",
      "00:19:06,480 --> 00:19:07,920",
      "教师:现在你可以比较了吗？ |db=78|answer_unison=false|sti=0.998149",
      "180",
      "00:19:08,640 --> 00:19:09,300",
      "学生:可以可以 |db=71|answer_unison=true|sti=0.877504",
      "181",
      "00:19:12,120 --> 00:19:12,660",
      "教师:谁最长？ |db=82|answer_unison=false|sti=0.982532",
      "182",
      "00:19:13,320 --> 00:19:14,580",
      "学生:绿绿绿色。 |db=82|answer_unison=true|sti=0.906293",
      "183",
      "00:19:15,060 --> 00:19:16,320",
      "教师:谁的一周边线最短？ |db=83|answer_unison=false|sti=0.977407",
      "184",
      "00:19:17,100 --> 00:19:17,640",
      "学生:红色的。 |db=88|answer_unison=true|sti=0.883131",
      "185",
      "00:19:18,840 --> 00:19:22,560",
      "教师:原来啊一周边线有长短。 |db=84|answer_unison=false|sti=0.932186",
      "186",
      "00:19:23,400 --> 00:19:29,340",
      "教师:同学们，我们把一周边线的长度称作周长长。 |db=80|answer_unison=false|sti=0.979238",
      "187",
      "00:19:30,420 --> 00:19:32,160",
      "教师:长方形的周长。 |db=78|answer_unison=false|sti=0.977702",
      "188",
      "00:19:35,820 --> 00:19:37,380",
      "教师:面也有大小。 |db=87|answer_unison=false|sti=0.975555",
      "189",
      "00:19:38,100 --> 00:19:38,460",
      "教师:我们把。 |db=88|answer_unison=false|sti=0.968859",
      "190",
      "00:19:39,240 --> 00:19:39,300",
      "学生:面。 |db=84|answer_unison=true|sti=0.902729",
      "191",
      "00:19:43,920 --> 00:19:47,700",
      "教师:一周边线围成的面的大小。 |db=81|answer_unison=false|sti=0.977998",
      "192",
      "00:19:54,480 --> 00:19:56,040",
      "教师:称为长方形的。 |db=82|answer_unison=false|sti=0.979820",
      "193",
      "00:20:02,460 --> 00:20:08,820",
      "教师:那你能像这样再去说一说其他图形的周长和面积吗？ |db=82|answer_unison=false|sti=0.994035",
      "194",
      "00:20:12,120 --> 00:20:13,920",
      "教师:你脑海中浮现了哪个图形？ |db=72|answer_unison=false|sti=0.936837",
      "195",
      "00:20:14,460 --> 00:20:16,080",
      "教师:跟你的同桌先说一说。 |db=81|answer_unison=false|sti=0.988554",
      "196",
      "00:20:17,160 --> 00:20:37,920",
      "学生:三角形，三角形角三角三角形好， |db=76|answer_unison=true|sti=0.796424",
      "197",
      "00:20:38,580 --> 00:20:39,060",
      "教师:坐，值。 |db=81|answer_unison=false|sti=0.656423",
      "198",
      "00:20:39,540 --> 00:20:39,840",
      "教师:快了。 |db=93|answer_unison=false|sti=0.422876",
      "199",
      "00:20:40,380 --> 00:20:42,840",
      "教师:谁来率先尝试，男孩你来。 |db=86|answer_unison=false|sti=0.928963",
      "200",
      "00:20:44,340 --> 00:20:46,560",
      "学生:我觉得正方形也可以。 |db=73|answer_unison=false|sti=0.984552",
      "201",
      "00:20:47,400 --> 00:20:47,640",
      "教师:说说。 |db=85|answer_unison=false|sti=0.997943",
      "202",
      "00:20:49,740 --> 00:21:00,660",
      "学生:正方形它也有四条边，把它的四条边也一起拉下，变成一条线，也可以量出它们的不同。 |db=70|answer_unison=false|sti=0.948517",
      "203",
      "00:21:01,620 --> 00:21:05,460",
      "教师:也可以量出它的周长，那面积正方形的面积是？ |db=76|answer_unison=false|sti=0.947623",
      "204",
      "00:21:06,600 --> 00:21:08,280",
      "学生:正方形的面积是。 |db=67|answer_unison=false|sti=0.939903",
      "205",
      "00:21:12,420 --> 00:21:20,580",
      "教师:好的，你已经呃预告了我们后面的内容啊，那这节课上我们说到的呃正方形，正方形的面是。 |db=83|answer_unison=false|sti=0.929199",
      "206",
      "00:21:23,100 --> 00:21:24,000",
      "教师:正方形的。 |db=79|answer_unison=false|sti=0.970668",
      "207",
      "00:21:26,400 --> 00:21:31,440",
      "学生:面面是它的一周边线围成的面。 |db=76|answer_unison=false|sti=0.917780",
      "208",
      "00:21:32,340 --> 00:21:33,960",
      "学生:用算盘。 |db=74|answer_unison=false|sti=0.476286",
      "209",
      "00:21:34,440 --> 00:21:34,740",
      "教师:一周。 |db=84|answer_unison=false|sti=0.890979",
      "210",
      "00:21:35,700 --> 00:21:41,100",
      "教师:一周边线围成的面的大小，好，还有其他图形想尝试吗？ |db=82|answer_unison=false|sti=0.981671",
      "211",
      "00:21:41,760 --> 00:21:42,300",
      "教师:你说说。 |db=84|answer_unison=false|sti=0.996580",
      "212",
      "00:21:43,260 --> 00:21:43,920",
      "学生:还有三角。 |db=72|answer_unison=false|sti=0.772933",
      "213",
      "00:21:44,460 --> 00:21:45,540",
      "教师:嗯，大声说说。 |db=81|answer_unison=false|sti=0.956090",
      "214",
      "00:21:46,200 --> 00:21:49,740",
      "学生:三角形可用尺子把三角形的三两。 |db=63|answer_unison=false|sti=0.756485",
      "215",
      "00:21:51,120 --> 00:21:52,980",
      "教师:三角形的周长是。 |db=81|answer_unison=false|sti=0.950825",
      "216",
      "00:21:54,900 --> 00:21:55,440",
      "教师:三角形。 |db=84|answer_unison=false|sti=0.960258",
      "217",
      "00:21:57,780 --> 00:21:58,140",
      "教师:一周。 |db=80|answer_unison=false|sti=0.928543",
      "218",
      "00:21:59,280 --> 00:22:00,840",
      "教师:边线的长度。 |db=86|answer_unison=false|sti=0.912992",
      "219",
      "00:22:01,440 --> 00:22:02,760",
      "教师:那三角形的面积呢？ |db=81|answer_unison=false|sti=0.994286",
      "220",
      "00:22:03,480 --> 00:22:10,440",
      "教师:是一周一直面的大小，刚才我还听到有小朋友说，你来。 |db=83|answer_unison=false|sti=0.915132",
      "221",
      "00:22:11,280 --> 00:22:21,600",
      "学生:是圆体，圆形量的时候，那一个绳子把它写之后，把这一个线剪掉以后，把那个形子。 |db=67|answer_unison=false|sti=0.676948",
      "222",
      "00:22:22,320 --> 00:22:25,500",
      "教师:也就是一周边写啊，圆形的周长说。 |db=79|answer_unison=false|sti=0.943250",
      "223",
      "00:22:26,640 --> 00:22:27,480",
      "学生:形的周长， |db=66|answer_unison=false|sti=0.816513",
      "224",
      "00:22:28,380 --> 00:22:32,280",
      "教师:就是可以把圆的。 |db=75|answer_unison=false|sti=0.864483",
      "225",
      "00:22:35,820 --> 00:22:35,880",
      "学生:圆的 |db=62|answer_unison=false|sti=0.616923",
      "226",
      "00:22:40,920 --> 00:22:45,780",
      "教师:圆的一周边线的长度，那圆的面积就是。 |db=82|answer_unison=false|sti=0.975575",
      "227",
      "00:22:49,260 --> 00:22:51,960",
      "教师:那一周边线围成的面的大。 |db=79|answer_unison=false|sti=0.813338",
      "228",
      "00:22:53,040 --> 00:23:01,620",
      "教师:围成的面的大小，同学们刚才啊说了很多，我们已经认识过的图形的周长和面积。 |db=80|answer_unison=false|sti=0.949740",
      "229",
      "00:23:02,460 --> 00:23:04,500",
      "教师:老师这里还带来两个图形。 |db=82|answer_unison=false|sti=0.991161",
      "230",
      "00:23:06,660 --> 00:23:09,540",
      "教师:它们也有周长和面积吗？ |db=87|answer_unison=false|sti=0.986003",
      "231",
      "00:23:10,320 --> 00:23:10,380",
      "学生:有。 |db=86|answer_unison=true|sti=0.983848",
      "232",
      "00:23:12,420 --> 00:23:18,120",
      "教师:接下来我们就一起来描一描它们的周长，读一读它们的面积。 |db=83|answer_unison=false|sti=0.905479",
      "233",
      "00:23:18,600 --> 00:23:21,480",
      "教师:好，借助我们手头的平板开始操作。 |db=77|answer_unison=false|sti=0.990522",
      "234",
      "00:23:39,660 --> 00:24:28,140",
      "学生:这个我这个这个。 |db=65|answer_unison=true|sti=0.694904",
      "235",
      "00:24:50,040 --> 00:24:52,080",
      "教师:另外面画的啥玩？ |db=79|answer_unison=false|sti=0.682444",
      "236",
      "00:25:11,100 --> 00:25:20,400",
      "学生:不用的。 |db=78|answer_unison=true|sti=0.565231",
      "237",
      "00:25:29,820 --> 00:25:30,000",
      "教师:好了。 |db=81|answer_unison=false|sti=0.540956",
      "238",
      "00:25:33,720 --> 00:25:35,700",
      "学生:好了，我好了。 |db=88|answer_unison=false|sti=0.537174",
      "239",
      "00:26:02,820 --> 00:26:03,180",
      "学生:可以可以 |db=87|answer_unison=false|sti=0.813057",
      "240",
      "00:26:13,920 --> 00:26:14,220",
      "教师:干嘛？ |db=87|answer_unison=false|sti=0.960577",
      "241",
      "00:26:14,640 --> 00:26:15,720",
      "教师:我刚刚做好了， |db=90|answer_unison=false|sti=0.630899",
      "242",
      "00:26:16,680 --> 00:26:16,980",
      "学生:好了。 |db=82|answer_unison=false|sti=0.843112",
      "243",
      "00:26:39,060 --> 00:28:12,480",
      "教师:再来玩玩来，组长把平板收起来。 |db=70|answer_unison=false|sti=0.894747",
      "244",
      "00:28:18,660 --> 00:28:19,200",
      "教师:我来看一看。 |db=87|answer_unison=false|sti=0.993871",
      "245",
      "00:28:20,880 --> 00:28:23,820",
      "教师:准备好听这个小组他们平板的操作了吗？ |db=84|answer_unison=false|sti=0.991088",
      "246",
      "00:28:25,080 --> 00:28:26,100",
      "教师:准备，准备好屏了吗？ |db=82|answer_unison=false|sti=0.697060",
      "247",
      "00:28:26,280 --> 00:28:26,640",
      "教师:备好了？ |db=81|answer_unison=false|sti=0.792337",
      "248",
      "00:28:27,420 --> 00:28:28,980",
      "教师:好，小眼睛。 |db=75|answer_unison=false|sti=0.847150",
      "249",
      "00:28:29,820 --> 00:28:29,880",
      "教师:啊。 |db=88|answer_unison=false|sti=0.668317",
      "250",
      "00:28:30,540 --> 00:28:32,220",
      "教师:好，来，你们开始说吧。 |db=84|answer_unison=false|sti=0.894154",
      "251",
      "00:28:32,880 --> 00:28:39,480",
      "学生:我我是先先从这边描上描上来，有的时候可能会出现一些小偏差， |db=78|answer_unison=false|sti=0.935363",
      "252",
      "00:28:39,720 --> 00:28:40,920",
      "教师:就像皮上擦一下， |db=75|answer_unison=false|sti=0.808712",
      "253",
      "00:28:41,100 --> 00:28:49,800",
      "学生:然后再重新再重新涂一下，然后呢再点开，把把这这里面的面积全部涂上。 |db=76|answer_unison=false|sti=0.953276",
      "254",
      "00:28:51,240 --> 00:28:51,300",
      "教师:好， |db=68|answer_unison=false|sti=0.846233",
      "255",
      "00:28:51,600 --> 00:29:02,520",
      "学生:第二个我讲的是这个，嗯，我们先用马克笔细心地给它呃画一圈，如果有有那种就是凸出来的， |db=70|answer_unison=false|sti=0.863726",
      "256",
      "00:29:02,700 --> 00:29:10,680",
      "学生:然后把橡皮擦面调小一点，给它擦掉，然后再用水彩笔给它调到最粗给它垂直。 |db=69|answer_unison=false|sti=0.897600",
      "257",
      "00:29:11,820 --> 00:29:13,680",
      "学生:就好了。 |db=67|answer_unison=false|sti=0.466227",
      "258",
      "00:29:13,920 --> 00:29:14,220",
      "教师:他们。 |db=81|answer_unison=false|sti=0.821207",
      "259",
      "00:29:15,840 --> 00:29:18,180",
      "教师:描周长面积的过程跟你们一样吗？ |db=81|answer_unison=false|sti=0.990084",
      "260",
      "00:29:18,600 --> 00:29:18,840",
      "学生:一样。 |db=84|answer_unison=true|sti=0.784857",
      "261",
      "00:29:19,920 --> 00:29:20,460",
      "教师:掌声送回。 |db=82|answer_unison=false|sti=0.979192",
      "262",
      "00:29:24,720 --> 00:29:29,700",
      "教师:好的，同学们，那这个图形的周长，我们一起说好不好？ |db=82|answer_unison=false|sti=0.971467",
      "263",
      "00:29:30,360 --> 00:29:31,380",
      "教师:它的周长是。 |db=84|answer_unison=false|sti=0.977611",
      "264",
      "00:29:36,600 --> 00:29:37,020",
      "教师:一起说。 |db=87|answer_unison=false|sti=0.990647",
      "265",
      "00:29:37,980 --> 00:29:38,880",
      "教师:是这个图形。 |db=82|answer_unison=false|sti=0.984287",
      "266",
      "00:29:41,700 --> 00:29:43,260",
      "学生:中线的长度。 |db=84|answer_unison=true|sti=0.867969",
      "267",
      "00:29:43,740 --> 00:29:44,220",
      "教师:面积是。 |db=83|answer_unison=false|sti=0.864002",
      "268",
      "00:29:45,600 --> 00:29:48,900",
      "学生:一为的面的半角。 |db=86|answer_unison=true|sti=0.780562",
      "269",
      "00:29:49,920 --> 00:29:50,940",
      "教师:它的周长是。 |db=84|answer_unison=false|sti=0.936673",
      "270",
      "00:29:52,020 --> 00:29:53,940",
      "学生:一周边线的长度。 |db=88|answer_unison=true|sti=0.817384",
      "271",
      "00:29:54,900 --> 00:29:55,440",
      "教师:面积是。 |db=77|answer_unison=false|sti=0.938223",
      "272",
      "00:29:56,700 --> 00:29:59,220",
      "学生:周边为面的大小。 |db=89|answer_unison=true|sti=0.886923",
      "273",
      "00:30:00,240 --> 00:30:05,940",
      "教师:现在你能用一句话来说一说什么是图形的周长，什么？ |db=81|answer_unison=false|sti=0.949143",
      "274",
      "00:30:06,540 --> 00:30:08,100",
      "教师:就是图形的面积呢？ |db=74|answer_unison=false|sti=0.950694",
      "275",
      "00:30:11,220 --> 00:30:11,880",
      "教师:你来挑战。 |db=84|answer_unison=false|sti=0.999123",
      "276",
      "00:30:13,020 --> 00:30:16,140",
      "学生:周长是一周边线的长度。 |db=72|answer_unison=false|sti=0.862354",
      "277",
      "00:30:16,740 --> 00:30:19,800",
      "学生:面积是一周边线的成的面的大小。 |db=70|answer_unison=false|sti=0.850908",
      "278",
      "00:30:20,460 --> 00:30:20,700",
      "教师:同意。 |db=87|answer_unison=false|sti=0.903554",
      "279",
      "00:30:21,300 --> 00:30:21,660",
      "学生:同意。 |db=90|answer_unison=true|sti=0.994781",
      "280",
      "00:30:23,100 --> 00:30:25,320",
      "教师:同学们有一条线段啊。 |db=77|answer_unison=false|sti=0.984924",
      "281",
      "00:30:26,100 --> 00:30:27,900",
      "教师:听说咱们班的同学很厉害。 |db=81|answer_unison=false|sti=0.976684",
      "282",
      "00:30:28,920 --> 00:30:32,400",
      "教师:他也想有周长和面积。 |db=82|answer_unison=false|sti=0.905964",
      "283",
      "00:30:33,720 --> 00:30:35,940",
      "教师:你能想想办法帮帮他吗？ |db=81|answer_unison=false|sti=0.899514",
      "284",
      "00:30:42,420 --> 00:30:42,720",
      "教师:你来。 |db=88|answer_unison=false|sti=0.977322",
      "285",
      "00:30:43,680 --> 00:30:46,680",
      "学生:你可以把它围满整个长方形。 |db=81|answer_unison=false|sti=0.871373",
      "286",
      "00:30:47,280 --> 00:30:49,080",
      "教师:你想把它围成一个。 |db=81|answer_unison=false|sti=0.996835",
      "287",
      "00:30:50,460 --> 00:30:51,300",
      "教师:长方形，好。 |db=73|answer_unison=false|sti=0.876745",
      "288",
      "00:30:53,220 --> 00:30:54,480",
      "教师:那我把它分成四段。 |db=74|answer_unison=false|sti=0.966577",
      "289",
      "00:30:57,480 --> 00:30:58,680",
      "教师:有周长和面积了吗？ |db=79|answer_unison=false|sti=0.954103",
      "290",
      "00:30:59,400 --> 00:30:59,460",
      "学生:有。 |db=93|answer_unison=true|sti=0.799034",
      "291",
      "00:30:59,880 --> 00:31:00,900",
      "教师:非常好，还有没有？ |db=89|answer_unison=false|sti=0.954103",
      "292",
      "00:31:03,420 --> 00:31:03,900",
      "教师:你说说。 |db=84|answer_unison=false|sti=0.985673",
      "293",
      "00:31:04,380 --> 00:31:05,940",
      "学生:可以它围成正方形。 |db=70|answer_unison=false|sti=0.881924",
      "294",
      "00:31:06,240 --> 00:31:08,760",
      "教师:哦，正方形，我也来操作一下。 |db=77|answer_unison=false|sti=0.950642",
      "295",
      "00:31:13,800 --> 00:31:13,980",
      "教师:还有。 |db=75|answer_unison=false|sti=0.760286",
      "296",
      "00:31:15,000 --> 00:31:15,780",
      "教师:你的主意是。 |db=77|answer_unison=false|sti=0.799223",
      "297",
      "00:31:16,140 --> 00:31:17,520",
      "学生:我想把它围成三角形。 |db=69|answer_unison=false|sti=0.966461",
      "298",
      "00:31:17,760 --> 00:31:18,780",
      "教师:嗯，还有吗？ |db=70|answer_unison=false|sti=0.904347",
      "299",
      "00:31:19,080 --> 00:31:19,680",
      "学生:嗯，还有吗？ |db=69|answer_unison=false|sti=0.587392",
      "300",
      "00:31:19,980 --> 00:31:20,220",
      "教师:你说。 |db=85|answer_unison=false|sti=0.974208",
      "301",
      "00:31:20,940 --> 00:31:22,920",
      "学生:我想把它围成圆形。 |db=67|answer_unison=false|sti=0.957405",
      "302",
      "00:31:24,300 --> 00:31:24,540",
      "教师:你说。 |db=83|answer_unison=false|sti=0.992583",
      "303",
      "00:31:26,100 --> 00:31:27,420",
      "学生:我想把它维持六边形。 |db=68|answer_unison=false|sti=0.803529",
      "304",
      "00:31:28,140 --> 00:31:29,700",
      "教师:这么多想法都可以吗？ |db=87|answer_unison=false|sti=0.964155",
      "305",
      "00:31:30,240 --> 00:31:30,600",
      "学生:都可以。 |db=84|answer_unison=true|sti=0.809595",
      "306",
      "00:31:30,840 --> 00:31:31,200",
      "学生:都可以。 |db=87|answer_unison=true|sti=0.747586",
      "307",
      "00:31:31,680 --> 00:31:31,920",
      "学生:可以。 |db=79|answer_unison=true|sti=0.941408",
      "308",
      "00:31:32,580 --> 00:31:33,540",
      "教师:老师也来试试。 |db=84|answer_unison=false|sti=0.999497",
      "309",
      "00:31:36,960 --> 00:31:37,740",
      "教师:我也来围。 |db=84|answer_unison=false|sti=0.912229",
      "310",
      "00:31:39,600 --> 00:31:39,660",
      "学生:呃。 |db=66|answer_unison=false|sti=0.769240",
      "311",
      "00:31:41,820 --> 00:31:43,200",
      "教师:我围出来的这个可不。 |db=73|answer_unison=false|sti=0.763562",
      "312",
      "00:31:43,500 --> 00:31:43,800",
      "学生:不可以。 |db=78|answer_unison=true|sti=0.850566",
      "313",
      "00:31:44,220 --> 00:31:45,360",
      "学生:可以吗？ |db=84|answer_unison=true|sti=0.588243",
      "314",
      "00:31:45,720 --> 00:31:46,380",
      "教师:哎那个女生。 |db=83|answer_unison=false|sti=0.933727",
      "315",
      "00:31:48,120 --> 00:31:51,000",
      "学生:这个不可以，就是中间水泥。 |db=68|answer_unison=false|sti=0.606766",
      "316",
      "00:31:56,100 --> 00:31:57,000",
      "教师:我没有把它。 |db=84|answer_unison=false|sti=0.951597",
      "317",
      "00:31:57,900 --> 00:31:59,460",
      "学生:封闭，封闭起来， |db=86|answer_unison=true|sti=0.774539",
      "318",
      "00:31:59,940 --> 00:32:04,140",
      "教师:那我们必须要把它围出来才会出现。 |db=82|answer_unison=false|sti=0.991346",
      "319",
      "00:32:05,880 --> 00:32:06,240",
      "教师:一个面。 |db=80|answer_unison=false|sti=0.984426",
      "320",
      "00:32:06,840 --> 00:32:09,300",
      "教师:好，那同学们，我应该怎么办？ |db=80|answer_unison=false|sti=0.944265",
      "321",
      "00:32:11,340 --> 00:32:11,700",
      "教师:一起说。 |db=88|answer_unison=false|sti=0.861518",
      "322",
      "00:32:12,120 --> 00:32:13,320",
      "学生:把它围起来。 |db=92|answer_unison=true|sti=0.989651",
      "323",
      "00:32:13,980 --> 00:32:20,880",
      "教师:哦，我把它首尾相接，变成一个封闭图形，这个图形就既有。 |db=82|answer_unison=false|sti=0.927566",
      "324",
      "00:32:22,860 --> 00:32:24,000",
      "学生:周长，没有。 |db=90|answer_unison=true|sti=0.706114",
      "325",
      "00:32:24,540 --> 00:32:25,140",
      "教师:面积了。 |db=83|answer_unison=false|sti=0.845164",
      "326",
      "00:32:25,740 --> 00:32:30,000",
      "教师:同学们，看来大家对周长和面积都有了新的认识。 |db=79|answer_unison=false|sti=0.986482",
      "327",
      "00:32:31,260 --> 00:32:40,740",
      "教师:那在我们帮助小线段解决问题的过程中啊，小马家的房子，啊，小瑞宝家的房子也装修好了。 |db=78|answer_unison=false|sti=0.929443",
      "328",
      "00:32:42,660 --> 00:32:43,200",
      "教师:一起来看。 |db=70|answer_unison=false|sti=0.999057",
      "329",
      "00:32:44,820 --> 00:32:44,880",
      "教师:他。 |db=70|answer_unison=false|sti=0.772105",
      "330",
      "00:32:46,080 --> 00:32:49,320",
      "教师:贴了地板，做了踢脚线。 |db=79|answer_unison=false|sti=0.977572",
      "331",
      "00:32:51,060 --> 00:32:56,880",
      "教师:粉刷了墙面，做了石膏线，装了窗户，他干净了玻璃。 |db=73|answer_unison=false|sti=0.816319",
      "332",
      "00:32:58,800 --> 00:33:06,060",
      "教师:想一想它们哪些和周长相关，哪些的面积有关呢？ |db=76|answer_unison=false|sti=0.839652",
      "333",
      "00:33:07,140 --> 00:33:08,220",
      "教师:同桌小声说一说。 |db=77|answer_unison=false|sti=0.985559",
      "334",
      "00:33:17,340 --> 00:33:17,580",
      "学生:玻璃。 |db=93|answer_unison=true|sti=0.842109",
      "335",
      "00:33:30,420 --> 00:33:32,220",
      "教师:越来越多的小朋友说好了。 |db=89|answer_unison=false|sti=0.902052",
      "336",
      "00:33:33,060 --> 00:33:34,860",
      "教师:我请一组同桌来。 |db=84|answer_unison=false|sti=0.847715",
      "337",
      "00:33:37,740 --> 00:33:38,820",
      "教师:就你们组，你们。 |db=80|answer_unison=false|sti=0.807966",
      "338",
      "00:33:39,780 --> 00:33:41,220",
      "教师:第二个，对你们来说吧。 |db=84|answer_unison=false|sti=0.860930",
      "339",
      "00:33:53,700 --> 00:33:54,060",
      "学生:面积。 |db=69|answer_unison=false|sti=0.695221",
      "340",
      "00:33:56,100 --> 00:34:00,360",
      "教师:地板，墙面和玻璃的面积相关，好。 |db=82|answer_unison=false|sti=0.923719",
      "341",
      "00:34:01,920 --> 00:34:05,220",
      "学生:方，石膏线和地脚线是周长。 |db=66|answer_unison=false|sti=0.791495",
      "342",
      "00:34:05,760 --> 00:34:06,120",
      "教师:同意吗？ |db=88|answer_unison=false|sti=0.993030",
      "343",
      "00:34:06,540 --> 00:34:06,840",
      "学生:同意。 |db=88|answer_unison=true|sti=0.736666",
      "344",
      "00:34:07,380 --> 00:34:08,040",
      "教师:就掌声通过。 |db=87|answer_unison=false|sti=0.925668",
      "345",
      "00:34:12,660 --> 00:34:16,380",
      "教师:同学们真了不起，判断的又快又对。 |db=85|answer_unison=false|sti=0.872613",
      "346",
      "00:34:17,340 --> 00:34:21,780",
      "教师:老师想采访一下你们有没有什么经验能分享我？ |db=79|answer_unison=false|sti=0.982003",
      "347",
      "00:34:24,960 --> 00:34:25,440",
      "教师:你说说。 |db=81|answer_unison=false|sti=0.990557",
      "348",
      "00:34:26,220 --> 00:34:38,220",
      "学生:你可以你可以把它们全部给涂一遍，然后涂上之后，如果你发现它是空心的就说明它是那是周和周长有关， |db=78|answer_unison=false|sti=0.974640",
      "349",
      "00:34:38,520 --> 00:34:40,980",
      "学生:如果是实心的段和面积有关。 |db=79|answer_unison=false|sti=0.986223",
      "350",
      "00:34:41,460 --> 00:34:43,680",
      "教师:嗯，这是你的判断方法，还有没有？ |db=80|answer_unison=false|sti=0.960278",
      "351",
      "00:34:44,520 --> 00:34:45,000",
      "教师:你说说。 |db=83|answer_unison=false|sti=0.995596",
      "352",
      "00:34:46,020 --> 00:34:53,820",
      "学生:周长就是一周边线的长度，你可以，你可以围着画一圈，它的里面肯定是公平的， |db=72|answer_unison=false|sti=0.943657",
      "353",
      "00:34:54,060 --> 00:35:05,460",
      "学生:然后面积是一周边线围成的面的大小，它是一个实心，所以所以你你摸一下子，如果它那里面是实心，实心的话， |db=72|answer_unison=false|sti=0.938129",
      "354",
      "00:35:05,640 --> 00:35:07,320",
      "学生:那它就一定是面积。 |db=72|answer_unison=false|sti=0.990332",
      "355",
      "00:35:07,800 --> 00:35:10,680",
      "教师:是呀，同学们分享了这么多的经验。 |db=77|answer_unison=false|sti=0.953980",
      "356",
      "00:35:11,460 --> 00:35:14,040",
      "教师:老师这里还有三个图形。 |db=76|answer_unison=false|sti=0.986089",
      "357",
      "00:35:17,220 --> 00:35:23,700",
      "教师:如果让你向别人介绍它们的大小，你从你想从什么角度来说一说呢？ |db=82|answer_unison=false|sti=0.987368",
      "358",
      "00:35:27,300 --> 00:35:27,540",
      "教师:你说。 |db=76|answer_unison=false|sti=0.965405",
      "359",
      "00:35:28,380 --> 00:35:29,460",
      "学生:周长和面积。 |db=65|answer_unison=false|sti=0.933997",
      "360",
      "00:35:29,940 --> 00:35:34,440",
      "教师:好，那就听你们的，看到我们学习三的看之三。 |db=78|answer_unison=false|sti=0.850089",
      "361",
      "00:35:35,400 --> 00:35:41,640",
      "教师:请你把它们的周长和面积，用自己的方式表示出来，现在开始。 |db=81|answer_unison=false|sti=0.968316",
      "362",
      "00:36:58,260 --> 00:37:07,320",
      "教师:好，时间差不多了，老师看到许多小朋友都已经高高地举起了小手，那第一个图形，我请一位同学来汇报一下， |db=77|answer_unison=false|sti=0.936892",
      "363",
      "00:37:07,620 --> 00:37:08,940",
      "教师:你是怎么做的？ |db=73|answer_unison=false|sti=0.912562",
      "364",
      "00:37:09,660 --> 00:37:10,320",
      "教师:女孩你来。 |db=80|answer_unison=false|sti=0.972762",
      "365",
      "00:37:14,100 --> 00:37:14,520",
      "学生:我觉得。 |db=63|answer_unison=false|sti=0.596516",
      "366",
      "00:37:16,500 --> 00:37:23,640",
      "学生:我是正方形的边它是的。 |db=70|answer_unison=false|sti=0.547940",
      "367",
      "00:37:24,240 --> 00:37:25,200",
      "学生:然后它就是有。 |db=70|answer_unison=false|sti=0.709908",
      "368",
      "00:37:26,460 --> 00:37:28,620",
      "学生:呃，外面就是一个。 |db=64|answer_unison=false|sti=0.625176",
      "369",
      "00:37:28,980 --> 00:37:29,220",
      "教师:时段。 |db=86|answer_unison=false|sti=0.702321",
      "370",
      "00:37:30,060 --> 00:37:30,120",
      "教师:好， |db=62|answer_unison=false|sti=0.644663",
      "371",
      "00:37:30,840 --> 00:37:39,060",
      "学生:下面，然后下面是个我是按照它的个数的数量。 |db=67|answer_unison=false|sti=0.751633",
      "372",
      "00:37:39,420 --> 00:37:42,360",
      "教师:个数来数的，是不是和他想法一致的？ |db=78|answer_unison=false|sti=0.944970",
      "373",
      "00:37:43,020 --> 00:37:43,800",
      "教师:举手我看一下。 |db=68|answer_unison=false|sti=0.969605",
      "374",
      "00:37:45,240 --> 00:37:45,720",
      "教师:有没有看？ |db=81|answer_unison=false|sti=0.878565",
      "375",
      "00:37:48,000 --> 00:37:52,620",
      "教师:老师刚才看到还有一个小朋友，他写的是十七段。 |db=82|answer_unison=false|sti=0.985948",
      "376",
      "00:37:54,300 --> 00:37:55,980",
      "教师:来，我知道他这个答案。 |db=71|answer_unison=false|sti=0.848532",
      "377",
      "00:37:56,940 --> 00:37:57,480",
      "学生:也算了。 |db=70|answer_unison=false|sti=0.749279",
      "378",
      "00:37:57,960 --> 00:37:58,860",
      "教师:他把同一说说。 |db=79|answer_unison=false|sti=0.491782",
      "379",
      "00:37:59,520 --> 00:38:02,820",
      "学生:因为他把中间的那层线给算出来。 |db=70|answer_unison=false|sti=0.839307",
      "380",
      "00:38:03,180 --> 00:38:03,960",
      "教师:那到底是谁？ |db=73|answer_unison=false|sti=0.930789",
      "381",
      "00:38:04,860 --> 00:38:04,920",
      "学生:十。 |db=68|answer_unison=true|sti=0.914261",
      "382",
      "00:38:06,240 --> 00:38:07,200",
      "教师:因为周长是。 |db=83|answer_unison=false|sti=0.893340",
      "383",
      "00:38:07,860 --> 00:38:13,800",
      "教师:外面边线的圆的我们就不算了，好，第二组谁来回报，你来。 |db=84|answer_unison=false|sti=0.913793",
      "384",
      "00:38:14,520 --> 00:38:25,620",
      "学生:我是把每每我是把每每段线代表是我最想一，每一段线代表一个厘米，我们一下子它是有十厘米， |db=72|answer_unison=false|sti=0.874354",
      "385",
      "00:38:26,100 --> 00:38:30,240",
      "学生:然后中间有一个方格也是一厘米，我手下去是五个。 |db=71|answer_unison=false|sti=0.845659",
      "386",
      "00:38:31,020 --> 00:38:32,220",
      "教师:有五个方格，好。 |db=80|answer_unison=false|sti=0.963079",
      "387",
      "00:38:33,300 --> 00:38:33,600",
      "教师:三个。 |db=76|answer_unison=false|sti=0.734347",
      "388",
      "00:38:34,680 --> 00:38:34,920",
      "教师:你来。 |db=83|answer_unison=false|sti=0.996644",
      "389",
      "00:38:38,520 --> 00:38:55,980",
      "学生:它的周长我们是用数边数边线有多少小条来算的，它有十二小条，然后面积我是数是数方块的，它有五个方块， |db=67|answer_unison=false|sti=0.889423",
      "390",
      "00:38:56,340 --> 00:38:57,600",
      "学生:所以面积是五个。 |db=60|answer_unison=false|sti=0.887736",
      "391",
      "00:38:58,500 --> 00:39:10,740",
      "教师:好的，同学们，大家用自己的方式表达出了这三个图形的周长和面积，现在老师想让你对比一下这三个图形。 |db=79|answer_unison=false|sti=0.957043",
      "392",
      "00:39:12,240 --> 00:39:13,860",
      "教师:你有没有发现什么呀？ |db=64|answer_unison=false|sti=0.896082",
      "393",
      "00:39:16,740 --> 00:39:22,860",
      "教师:把你的小发现和你的同桌说一说，看谁挖出来的秘密比较多，开始。 |db=76|answer_unison=false|sti=0.968801",
      "394",
      "00:39:26,460 --> 00:39:37,740",
      "学生:第一个第二个第一第二个，第二个。 |db=80|answer_unison=true|sti=0.603869",
      "395",
      "00:39:41,760 --> 00:39:42,120",
      "学生:第一个， |db=77|answer_unison=false|sti=0.678376",
      "396",
      "00:39:42,480 --> 00:39:44,880",
      "教师:第二个说好了。 |db=85|answer_unison=false|sti=0.825544",
      "397",
      "00:39:46,200 --> 00:39:46,440",
      "学生:好了。 |db=91|answer_unison=true|sti=0.831585",
      "398",
      "00:39:46,980 --> 00:39:47,940",
      "教师:谁来第一个汇报？ |db=84|answer_unison=false|sti=0.808954",
      "399",
      "00:39:49,020 --> 00:39:49,620",
      "教师:男孩你来。 |db=85|answer_unison=false|sti=0.548525",
      "400",
      "00:39:51,120 --> 00:39:56,280",
      "学生:我发现第一个和第二个，虽然它们的面积不应该是周长的。 |db=73|answer_unison=false|sti=0.818575",
      "401",
      "00:40:00,780 --> 00:40:01,020",
      "教师:同意。 |db=75|answer_unison=false|sti=0.935540",
      "402",
      "00:40:01,620 --> 00:40:01,860",
      "学生:同意。 |db=75|answer_unison=true|sti=0.736858",
      "403",
      "00:40:02,640 --> 00:40:03,600",
      "教师:还有没有别的发现？ |db=82|answer_unison=false|sti=0.939937",
      "404",
      "00:40:04,020 --> 00:40:04,500",
      "教师:你说说。 |db=87|answer_unison=false|sti=0.909127",
      "405",
      "00:40:05,040 --> 00:40:06,900",
      "学生:它们都有周长和面积。 |db=74|answer_unison=false|sti=0.868678",
      "406",
      "00:40:07,260 --> 00:40:07,320",
      "教师:嗯。 |db=82|answer_unison=false|sti=0.453717",
      "407",
      "00:40:08,220 --> 00:40:08,460",
      "教师:你说。 |db=81|answer_unison=false|sti=0.965535",
      "408",
      "00:40:09,000 --> 00:40:16,080",
      "学生:我发现它们它们周长越长，并不代表面积一定就变。 |db=78|answer_unison=false|sti=0.927589",
      "409",
      "00:40:16,440 --> 00:40:16,740",
      "学生:越大。 |db=85|answer_unison=false|sti=0.943834",
      "410",
      "00:40:19,860 --> 00:40:20,280",
      "教师:看一看？ |db=77|answer_unison=false|sti=0.289909",
      "411",
      "00:40:21,120 --> 00:40:21,960",
      "教师:还有还有。 |db=79|answer_unison=false|sti=0.748707",
      "412",
      "00:40:22,980 --> 00:40:27,060",
      "教师:长长的面积不一定的，不一定的。 |db=88|answer_unison=false|sti=0.853801",
      "413",
      "00:40:27,960 --> 00:40:28,260",
      "教师:你说。 |db=85|answer_unison=false|sti=0.997124",
      "414",
      "00:40:29,160 --> 00:40:31,740",
      "学生:二三的面积都是五。 |db=73|answer_unison=false|sti=0.890124",
      "415",
      "00:40:33,900 --> 00:40:37,320",
      "教师:那面积大的周长呢。 |db=84|answer_unison=false|sti=0.955769",
      "416",
      "00:40:38,220 --> 00:40:39,540",
      "学生:也不一定不一定。 |db=78|answer_unison=false|sti=0.889798",
      "417",
      "00:40:41,100 --> 00:40:50,580",
      "教师:也不一定就长是不是好同学们，看来啊，面积和周长还有很多的秘密等着我们挖掘呢。 |db=84|answer_unison=false|sti=0.969846",
      "418",
      "00:40:52,200 --> 00:40:58,440",
      "教师:小瑞宝家还有一块长方形的草地，爸爸妈妈想把它们分成。 |db=84|answer_unison=false|sti=0.942557",
      "419",
      "00:40:59,700 --> 00:41:02,880",
      "教师:周长相等，面积也相等的两部分。 |db=84|answer_unison=false|sti=0.912835",
      "420",
      "00:41:03,840 --> 00:41:07,500",
      "教师:请你看看这三种方案，哪个方案是符合的。 |db=82|answer_unison=false|sti=0.953084",
      "421",
      "00:41:08,280 --> 00:41:08,640",
      "教师:第一个， |db=81|answer_unison=false|sti=0.926691",
      "422",
      "00:41:09,000 --> 00:41:09,300",
      "学生:第一个， |db=86|answer_unison=false|sti=0.814756",
      "423",
      "00:41:09,720 --> 00:41:13,680",
      "教师:都说第一个，打开平板去验证一下这三种方案。 |db=84|answer_unison=false|sti=0.987607",
      "424",
      "00:41:30,540 --> 00:41:39,420",
      "学生:这个好了，老师我们收好了是吧？ |db=81|answer_unison=false|sti=0.814836",
      "425",
      "00:41:42,540 --> 00:41:42,720",
      "教师:好了。 |db=83|answer_unison=false|sti=0.719631",
      "426",
      "00:41:45,780 --> 00:41:46,620",
      "教师:老师我们好了。 |db=86|answer_unison=false|sti=0.740234",
      "427",
      "00:41:52,080 --> 00:41:53,100",
      "教师:看着你的平板来看。 |db=83|answer_unison=false|sti=0.734257",
      "428",
      "00:41:53,760 --> 00:42:01,620",
      "学生:嗯，来，先清空一下。 |db=68|answer_unison=true|sti=0.632469",
      "429",
      "00:42:05,220 --> 00:42:07,080",
      "教师:好，来，坐直。 |db=85|answer_unison=false|sti=0.689580",
      "430",
      "00:42:07,620 --> 00:42:08,100",
      "教师:快快。 |db=91|answer_unison=false|sti=0.374306",
      "431",
      "00:42:09,480 --> 00:42:15,600",
      "教师:好，时间关系，我邀请了一位同学来跟我们汇报一下他们小组的成果，来开始。 |db=85|answer_unison=false|sti=0.953800",
      "432",
      "00:42:16,500 --> 00:42:19,020",
      "学生:首先我们把第一个图形乘以。 |db=80|answer_unison=false|sti=0.930870",
      "433",
      "00:42:20,220 --> 00:42:30,240",
      "学生:然后面积相等，然后我们再描边边，首先最上面和最下面是一样的，最左边的最右边也是一样的， |db=76|answer_unison=false|sti=0.966256",
      "434",
      "00:42:30,600 --> 00:42:41,280",
      "学生:中间的两条斜线也是一样的，所以结论是第一条组合，然后第二条部位的时候两个面积不相等， |db=77|answer_unison=false|sti=0.928230",
      "435",
      "00:42:41,700 --> 00:42:52,860",
      "学生:然后描边的时候上面和下面相等，然后两条斜线相等，但是还剩下还剩下的三条边没法重合，然后第三个。 |db=78|answer_unison=false|sti=0.969936",
      "436",
      "00:42:54,000 --> 00:43:01,200",
      "学生:重叠的话，面积不一样，然后描边的话，上面，还有一个上面和下面相等， |db=76|answer_unison=false|sti=0.833190",
      "437",
      "00:43:01,980 --> 00:43:04,920",
      "学生:然后左边和右边也相等，但是两条斜边。 |db=76|answer_unison=false|sti=0.989745",
      "438",
      "00:43:07,320 --> 00:43:13,020",
      "学生:不完全相等，两条斜边相等，它们只是面积不相。 |db=79|answer_unison=false|sti=0.908283",
      "439",
      "00:43:13,200 --> 00:43:13,260",
      "教师:哦， |db=81|answer_unison=false|sti=0.480417",
      "440",
      "00:43:13,560 --> 00:43:16,860",
      "学生:面积不相等，所以结论是不相等。 |db=76|answer_unison=false|sti=0.901954",
      "441",
      "00:43:17,700 --> 00:43:18,060",
      "教师:同意吗？ |db=87|answer_unison=false|sti=0.975590",
      "442",
      "00:43:18,480 --> 00:43:18,720",
      "学生:同意。 |db=80|answer_unison=false|sti=0.816494",
      "443",
      "00:43:19,080 --> 00:43:19,140",
      "学生:好， |db=92|answer_unison=true|sti=0.326075",
      "444",
      "00:43:19,680 --> 00:43:19,980",
      "教师:请回。 |db=82|answer_unison=false|sti=0.861273",
      "445",
      "00:43:20,760 --> 00:43:21,180",
      "教师:同学们。 |db=86|answer_unison=false|sti=0.998272",
      "446",
      "00:43:24,600 --> 00:43:30,420",
      "教师:看来啊，就只有方案一符合大家的要求，你们知道吗？ |db=85|answer_unison=false|sti=0.938438",
      "447",
      "00:43:30,960 --> 00:43:34,740",
      "教师:其实在我们江南的园林中，也藏着许多。 |db=83|answer_unison=false|sti=0.943331",
      "448",
      "00:43:35,280 --> 00:43:35,520",
      "教师:周朝。 |db=86|answer_unison=false|sti=0.592040",
      "449",
      "00:43:35,820 --> 00:43:36,480",
      "学生:江南盛景， |db=79|answer_unison=true|sti=0.596720",
      "450",
      "00:43:37,200 --> 00:43:38,040",
      "学生:最美园林。 |db=76|answer_unison=false|sti=0.929730",
      "451",
      "00:43:38,880 --> 00:43:39,720",
      "学生:你是否有血。 |db=78|answer_unison=false|sti=0.572990",
      "452",
      "00:43:40,680 --> 00:43:44,700",
      "学生:园林里的水池并不一味追求方方正正的形状。 |db=78|answer_unison=false|sti=0.833674",
      "453",
      "00:43:45,600 --> 00:43:48,780",
      "学生:草原师们为什么水岸设计的曲折弯？ |db=80|answer_unison=false|sti=0.730596",
      "454",
      "00:43:49,800 --> 00:43:55,620",
      "学生:但是在有限的面积的念曲，它会用更宽严的找出更长的周期。 |db=81|answer_unison=false|sti=0.721938",
      "455",
      "00:43:56,340 --> 00:44:06,360",
      "学生:让这样一来，岸边就能使得够顺起多的人，种下更多的垂影骑士，一步一起，让人流连忘返。 |db=79|answer_unison=false|sti=0.811360",
      "456",
      "00:44:07,380 --> 00:44:09,540",
      "学生:小中渐大，移去延绵。 |db=77|answer_unison=false|sti=0.705472",
      "457",
      "00:44:10,620 --> 00:44:13,260",
      "学生:就是藏在江南园林里的几何秘密。 |db=76|answer_unison=false|sti=0.703095",
      "458",
      "00:44:15,360 --> 00:44:27,360",
      "教师:瞧瞧生活中这是处处有数学呢，希望大家在课后继续用数学的眼光去看世界，用数学的知识去解决生活中的问题， |db=81|answer_unison=false|sti=0.976359",
      "459",
      "00:44:27,780 --> 00:44:29,640",
      "教师:这节课就上到这里，下课。 |db=85|answer_unison=false|sti=0.992142",
      "460",
      "00:44:30,120 --> 00:44:30,420",
      "学生:起立。 |db=94|answer_unison=true|sti=0.908346",
      "461",
      "00:44:31,320 --> 00:44:31,860",
      "教师:同学们再见。 |db=83|answer_unison=false|sti=0.992290",
      "462",
      "00:44:32,400 --> 00:44:35,940",
      "学生:老师再见，老师辛苦了。 |db=91|answer_unison=true|sti=0.908891",
      "463",
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      "学生:放客人老师。 |db=91|answer_unison=true|sti=0.756698",
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      "教师:好，你们把所有的东西收好，然后呃回答，回答之后，我会去单里面收， |db=85|answer_unison=false|sti=0.849232",
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      "教师:你接把东西收好，看好，把你的橡皮和硬币，然后收好了不要弄丢了啊。 |db=83|answer_unison=false|sti=0.750303"
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