这亦是联系在一起的多种类型的重复的体力劳动，尤其是使用振动设备。
It is also linked to many types of repetitive manual work, especially the use of vibrating equipment.
根据瞬态振动理论和重复冲击下响应迭加效应，计算单自由度包装件的响应加速度及其最大值。
The response acceleration and its maximum of a package with SDOF have been calculated according to the transient oscillation theory and response reiterative effects under impetus of repetitive shocks.
研究表明，应用这种方法设计的电液伺服振动台系统可以实现对周期或重复性的振动实验信号的跟踪控制。
The simulation study shows that the electro-hydraulic servo vibration bable system, designed using the method presented here, can realize tracking control to penodic vibration test signals.
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