| 文件 | 时间 | 大小 | 下载 | |
|---|---|---|---|---|
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01-物理量.mp4 | 2022-08-28 20:29:07 | 89.47 MB | |
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02-单位.mp4 | 2022-08-28 20:29:07 | 57.39 MB | |
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03-长度.mp4 | 2022-08-28 20:29:07 | 82.16 MB | |
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04-长度单位（1米）.mp4 | 2022-08-28 20:29:07 | 91.28 MB | |
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05-认识刻度尺.mp4 | 2022-08-28 20:29:07 | 89.86 MB | |
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06-使用刻度尺.mp4 | 2022-08-28 20:29:07 | 82.01 MB | |
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07-估读.mp4 | 2022-08-28 20:29:07 | 37.35 MB | |
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08-误差.mp4 | 2022-08-28 20:29:07 | 34.72 MB | |
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09-间接测长度.mp4 | 2022-08-28 20:29:07 | 111.56 MB | |
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10-测曲线长度.mp4 | 2022-08-28 20:29:07 | 64.25 MB | |
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11-时间.mp4 | 2022-08-28 20:29:07 | 68.67 MB | |
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12-时间单位（1秒）.mp4 | 2022-08-28 20:29:07 | 98.96 MB | |
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13-速度（上）.mp4 | 2022-08-28 20:29:07 | 54.38 MB | |
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14-速度（下）.mp4 | 2022-08-28 20:29:07 | 50.75 MB | |
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15-平均速度.mp4 | 2022-08-28 20:29:07 | 51.98 MB | |
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16-测平均速度.mp4 | 2022-08-28 20:29:07 | 78.66 MB | |
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17-匀速直线运动.mp4 | 2022-08-28 20:29:07 | 53.26 MB |