对与真空断路器相配的弹簧操动机构而言，其输出力特性和开关负载特性的合理匹配取决于凸轮机构的合理设计。

For vacuum circuit breaker with spring operating mechanism, an optimum design of CAM mechanism is significant to make the output force characteristics match the load characteristics.

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然后通过对几种典型电路网络的特性分析，提出了利用开关变换网络结合占空比控制设计以解决燃料电池与负载的匹配问题的思想。

After analysis of the characteristics of some typical circuit networks, the method of using switching mode network integrated with duty cycle control to solve the matching problem is proposed.

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