名词
中文翻译：频率
同义词：
['rate', 'magnitude', 'quantity例句：1. The frequency of occurrence is increasing.（发生的频率在增加。）']
例句：
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1. The frequency of occurrence is increasing.
发生的频率在增加。
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2. The frequency of light waves in the electromagnetic spectrum is measured in cycles per second.
光波在电磁谱中的频率是以每秒周期数来衡量的。
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3. The frequency of the signal is 500 kHz.
信号的频率是500千赫。