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01.杠杆（1）...mp4 | 2024-07-01 17:57:55 | 321.92 MB | |
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02.杠杆（2）...mp4 | 2024-07-01 17:57:55 | 366.69 MB | |
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03.其他简单机械（1）...mp4 | 2024-07-01 17:57:55 | 367.06 MB | |
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04.其他简单机械（2）...mp4 | 2024-07-01 17:57:55 | 430.43 MB | |
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05.功和机械能...mp4 | 2024-07-01 17:57:55 | 313.6 MB | |
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06.功率...mp4 | 2024-07-01 17:57:55 | 202.22 MB | |
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07.机械效率（1）...mp4 | 2024-07-01 17:57:55 | 246.72 MB | |
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08.机械效率（2）...mp4 | 2024-07-01 17:57:55 | 349.18 MB | |
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09.动能 势能 机械能...mp4 | 2024-07-01 17:57:55 | 222.06 MB | |
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10.内能 热传递...mp4 | 2024-07-01 17:57:55 | 180.15 MB | |
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11.物质的比热容（一）...mp4 | 2024-07-01 17:57:55 | 175.64 MB | |
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12.物质的比热容（二）...mp4 | 2024-07-01 17:57:55 | 140.48 MB | |
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13.机械能与内能的相互转化...mp4 | 2024-07-01 17:57:55 | 176.12 MB | |
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14.电流和电路（一）...mp4 | 2024-07-01 17:57:55 | 393.97 MB | |
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15.电流和电路（二）...mp4 | 2024-07-01 17:57:55 | 355.85 MB | |
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16.串联和并联...mp4 | 2024-07-01 17:57:55 | 359.56 MB | |
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17.串联和并联的判断...mp4 | 2024-07-01 17:57:55 | 167.09 MB | |
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18.电流的强弱...mp4 | 2024-07-01 17:57:55 | 325.45 MB | |
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19.探究串、并联电路的电流规律...mp4 | 2024-07-01 17:57:55 | 495.27 MB | |
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20.电压（U）...mp4 | 2024-07-01 17:57:55 | 381.55 MB | |
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21.探究串并联电路中的电压规律...mp4 | 2024-07-01 17:57:55 | 384.95 MB | |
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22.电阻...mp4 | 2024-07-01 17:57:55 | 407.83 MB | |
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23.变阻器...mp4 | 2024-07-01 17:57:55 | 370.81 MB | |
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24.电流电压电阻习题课...mp4 | 2024-07-01 17:57:55 | 317.91 MB | |
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25.电流与电压、电阻的关系...mp4 | 2024-07-01 17:57:55 | 470.49 MB | |
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26.欧姆定律及其应用...mp4 | 2024-07-01 17:57:55 | 357.38 MB | |
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27.欧姆定律在串联电路中的应用...mp4 | 2024-07-01 17:57:55 | 325.7 MB | |
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28.欧姆定律在并联电路中的应用...mp4 | 2024-07-01 17:57:55 | 348.7 MB | |
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29.电能...mp4 | 2024-07-01 17:57:55 | 373.49 MB | |
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30.电能与电功...mp4 | 2024-07-01 17:57:55 | 346.22 MB | |
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31.电功率...mp4 | 2024-07-01 17:57:55 | 412.55 MB | |
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32.电功率的计算...mp4 | 2024-07-01 17:57:55 | 397.35 MB | |
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33.电功率的测量...mp4 | 2024-07-01 17:57:55 | 346.62 MB | |
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34.电和热（一）...mp4 | 2024-07-01 17:57:55 | 523.05 MB | |
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35.电与热典型习题...mp4 | 2024-07-01 17:57:55 | 309.27 MB | |
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36.电功率与安全用电...mp4 | 2024-07-01 17:57:55 | 334.93 MB | |
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37.生活用电常识...mp4 | 2024-07-01 17:57:55 | 326.96 MB | |
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38.磁现象...mp4 | 2024-07-01 17:57:55 | 459.55 MB | |
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39.磁场...mp4 | 2024-07-01 17:57:55 | 434.46 MB | |
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40.电生磁...mp4 | 2024-07-01 17:57:55 | 348.64 MB | |
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41.电磁铁...mp4 | 2024-07-01 17:57:55 | 415.97 MB | |
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42.电磁继电器与扬声器...mp4 | 2024-07-01 17:57:55 | 325.07 MB | |
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43.电动机...mp4 | 2024-07-01 17:57:55 | 387.04 MB | |
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44.发电机...mp4 | 2024-07-01 17:57:55 | 382.51 MB | |
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45.信息的传递...mp4 | 2024-07-01 17:57:55 | 345.8 MB | |
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46.广播、电视和移动电话...mp4 | 2024-07-01 17:57:55 | 314.61 MB | |
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47.能源家族...mp4 | 2024-07-01 17:57:55 | 199.45 MB | |
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48.核能...mp4 | 2024-07-01 17:57:55 | 271.58 MB | |
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49.太阳能...mp4 | 2024-07-01 17:57:55 | 238.02 MB | |
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50.能源革命 能源与可持续发展...mp4 | 2024-07-01 17:57:55 | 287.69 MB |