| 文件 | 时间 | 大小 | 下载 | |
|---|---|---|---|---|
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01-物理量.mp4 | 2024-05-13 03:49:54 | 89.32 MB | |
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02-单位.mp4 | 2024-05-13 03:49:54 | 51.81 MB | |
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03-长度.mp4 | 2024-05-13 03:49:54 | 92.18 MB | |
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04-长度单位（1米）.mp4 | 2024-05-13 03:49:54 | 98.11 MB | |
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05-认识刻度尺.mp4 | 2024-05-13 03:49:54 | 94 MB | |
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06-使用刻度尺.mp4 | 2024-05-13 03:49:54 | 87.07 MB | |
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07-估读.mp4 | 2024-05-13 03:49:54 | 33.1 MB | |
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08-误差.mp4 | 2024-05-13 03:49:54 | 29.92 MB | |
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09-间接测长度.mp4 | 2024-05-13 03:49:54 | 128.67 MB | |
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10-测曲线长度.mp4 | 2024-05-13 03:49:54 | 73.19 MB | |
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11-时间.mp4 | 2024-05-13 03:49:54 | 65.48 MB | |
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12-时间单位（1秒）.mp4 | 2024-05-13 03:49:54 | 105.95 MB | |
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13-速度（上）.mp4 | 2024-05-13 03:49:54 | 50.98 MB | |
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14-速度（下）.mp4 | 2024-05-13 03:49:54 | 43.74 MB | |
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15-平均速度.mp4 | 2024-05-13 03:49:54 | 47.93 MB | |
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16-测平均速度.mp4 | 2024-05-13 03:49:54 | 88.44 MB | |
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17-匀速直线运动.mp4 | 2024-05-13 03:49:54 | 49.66 MB |