本文把一类气动微震机构工作过程，抽象为一个二阶动力系统。
Ln this paper the working process of the pneumatic small-amplitude vibration mechanism is abstracted into a dynamic system of the second order.
本文把一类气动微震机构工作过程，抽象为一个二阶动力系统。
Ln this paper the working process of the pneumatic small-amplitude vibration mechanism is abstracted into a dynamic system of the second order.
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