本文主要研究触点带低电平负载时，继电器的动态接触特性。

This paper focuses on the dynamic contact characteristic of relay in low-duty load performance.

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本文以简化的预紧接触式弹簧阻尼系统为研究对象，着重于用试验方法来研究系统在动态载荷作用下的非线性动力学特性。

The simplified prepressing-contact spring-damping system was studied in this dissertation. The nonlinear dynamic characteristic of this system was research by experiment method.

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摆线；钢球；行星传动；接触力学；动态激励；固有特性；动态特性。

Cycloid; Ball; Planetary transmission; Contact mechanics; Dynamic excitation; Natural characteristics; Dynamic characteristics.

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