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01_八年级上册体验课《风和降水》.mp4 | 2025-07-27 03:06:11 | 16.61 MB | |
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02_1.1地球上的水.mp4 | 2025-07-27 03:06:12 | 13.71 MB | |
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03_1.2水的组成.mp4 | 2025-07-27 03:06:12 | 3.18 MB | |
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04_1.3水的浮力（一）.mp4 | 2025-07-27 03:06:12 | 27.21 MB | |
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05_1.3水的浮力（二）.mp4 | 2025-07-27 03:06:12 | 16.25 MB | |
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06_1.3水的浮力（三）.mp4 | 2025-07-27 03:06:12 | 22.72 MB | |
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07_1.4物质在水中的分散状况（一）.mp4 | 2025-07-27 03:06:13 | 11.24 MB | |
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08_1.4物质在水中的分散状况（二）.mp4 | 2025-07-27 03:06:14 | 7.4 MB | |
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09_1.4物质在水中的分散状况（三）.mp4 | 2025-07-27 03:06:14 | 8.04 MB | |
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10_1.4物质在水中的分散状况（四）.mp4 | 2025-07-27 03:06:14 | 9.24 MB | |
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11_1.5物质的溶解（一）.mp4 | 2025-07-27 03:06:15 | 10.92 MB | |
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12_1.5物质的溶解（二）.mp4 | 2025-07-27 03:06:15 | 10.45 MB | |
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13_1.5物质的溶解（三）.mp4 | 2025-07-27 03:06:15 | 12.61 MB | |
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14_1.5物质的溶解（四）.mp4 | 2025-07-27 03:06:15 | 12.09 MB | |
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15_1.5物质的溶解（五）.mp4 | 2025-07-27 03:06:15 | 11.52 MB | |
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16_1.5物质的溶解（六）.mp4 | 2025-07-27 03:06:16 | 9.83 MB | |
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17_1.5物质的溶解（七）.mp4 | 2025-07-27 03:06:16 | 14.37 MB | |
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18_1.5物质的溶解（八）.mp4 | 2025-07-27 03:06:16 | 11.68 MB | |
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19_1.6物质的分离（一）.mp4 | 2025-07-27 03:06:16 | 8.24 MB | |
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20_1.6物质的分离（二）.mp4 | 2025-07-27 03:06:16 | 6.63 MB | |
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21_1.7水资源的利用、开发和保护.mp4 | 2025-07-27 03:06:17 | 6.52 MB | |
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22_2.1大气层.mp4 | 2025-07-27 03:06:17 | 12.12 MB | |
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23_2.2气温.mp4 | 2025-07-27 03:06:17 | 23.83 MB | |
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24_2.3大气的压强（一）.mp4 | 2025-07-27 03:06:17 | 18.22 MB | |
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25_2.3大气的压强（二）.mp4 | 2025-07-27 03:06:17 | 25.06 MB | |
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26_2.4风和降水.mp4 | 2025-07-27 03:06:18 | 16.61 MB | |
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27_2.5天气预报.mp4 | 2025-07-27 03:06:18 | 18.48 MB | |
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28_2.6气候和影响气候的因素.mp4 | 2025-07-27 03:06:19 | 14.34 MB | |
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29_2.7我国的气候特征与主要气象灾害（一）.mp4 | 2025-07-27 03:06:20 | 24.75 MB | |
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30_2.7我国的气候特征与主要气象灾害（二）.mp4 | 2025-07-27 03:06:20 | 24.88 MB | |
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31_3.1植物生命活动的调节.mp4 | 2025-07-27 03:06:20 | 18.35 MB | |
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32_3.2人体的激素调节.mp4 | 2025-07-27 03:06:20 | 21.74 MB | |
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33_3.3神经调节（一）.mp4 | 2025-07-27 03:06:20 | 22.9 MB | |
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34_3.3神经调节（二）.mp4 | 2025-07-27 03:06:21 | 24.18 MB | |
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35_3.4动物的行为.mp4 | 2025-07-27 03:06:21 | 16.72 MB | |
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36_3.5体温的控制.mp4 | 2025-07-27 03:06:21 | 12.73 MB | |
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37_4.1电荷与电流（一）.mp4 | 2025-07-27 03:06:21 | 10.74 MB | |
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38_4.1电荷与电流（二）.mp4 | 2025-07-27 03:06:21 | 14.87 MB | |
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39_4.1电荷与电流（三）.mp4 | 2025-07-27 03:06:22 | 13.54 MB | |
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40_4.2电流的测量（一）.mp4 | 2025-07-27 03:06:22 | 11.38 MB | |
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41_4.2电流的测量（二）.mp4 | 2025-07-27 03:06:22 | 16.63 MB | |
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42_4.3物质的导电性与电阻（一）.mp4 | 2025-07-27 03:06:22 | 9.1 MB | |
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43_4.3物质的导电性与电阻（二）.mp4 | 2025-07-27 03:06:23 | 11.45 MB | |
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44_4.4变阻器.mp4 | 2025-07-27 03:06:23 | 12.27 MB | |
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45_4.5电压的测量（一）.mp4 | 2025-07-27 03:06:23 | 17.39 MB | |
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46_4.5电压的测量（二）.mp4 | 2025-07-27 03:06:23 | 7.45 MB | |
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47_4.6电流与电压、电阻的关系（一）.mp4 | 2025-07-27 03:06:23 | 12.46 MB | |
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48_4.6电流与电压、电阻的关系（二）.mp4 | 2025-07-27 03:06:25 | 9.16 MB | |
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49_4.7电路分析与应用.mp4 | 2025-07-27 03:06:25 | 12.25 MB |