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| 重复性冲击影响人体的一系列小于 1s 的短暂冲击运动或碎发的准稳态振动。但是有规律地重复且频率高于每秒一次的冲击，出于许多目的可能被视为连续振动形式，且冲击可以是关于时间轴对称或不对称的 | |||
| 反复冲击 | |||
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