| 文件 | 时间 | 大小 | 下载 | |
|---|---|---|---|---|
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10光的折射.mp4 | 2024-04-10 22:11:42 | 503.77MB | |
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11电现象.mp4 | 2024-04-10 22:11:42 | 463.71MB | |
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12磁现象.mp4 | 2024-04-10 22:11:42 | 616.93MB | |
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1弹力与压力.mp4 | 2024-04-10 22:11:42 | 439.17MB | |
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2重力与浮力.mp4 | 2024-04-10 22:11:42 | 487.03MB | |
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3惯性和摩擦力.mp4 | 2024-04-10 22:11:42 | 454.02MB | |
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4热量传递.mp4 | 2024-04-10 22:11:42 | 439.69MB | |
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5固态、液态和气态.mp4 | 2024-04-10 22:11:42 | 441.63MB | |
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6声音的产生与传播.mp4 | 2024-04-10 22:11:42 | 463.01MB | |
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7音色和音调.mp4 | 2024-04-10 22:11:42 | 465.46MB | |
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8光的传播.mp4 | 2024-04-10 22:11:42 | 356.72MB | |
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9光的反射.mp4 | 2024-04-10 22:11:42 | 472.70MB |