名词
中文翻译：工作频率
同义词：
['working rate', 'working rate', "working rate例句：1. The device's working frequency is 50 Hz.（该设备的工频为50赫兹。）"]
例句：
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1. The device's working frequency is 50 Hz.
该设备的工频为50赫兹。
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2.The new model has a higher working frequency than the previous one.
新款模型的工频比旧款高。
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3.The machine operates at a working frequency of 100 Hz.
这台机器以100赫兹的频率运行。