[计] 服务频率, 工作频率

service frequency的用法和样例：

例句

The voltages set up are of normal operating frequency.由此引起的过电压频率通常为正常的工作频率。
Moreover, the numerical simulation indicates the mean gas temperature has more influence on the working frequency than the mean gas pressure and the length of regenerator.数值模拟结果显示，发动机内气体平均温度较平均压力和回热器长度对工作频率的影响更大。

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