名词
中文翻译：频率
同义词：
['rate', 'magnitude', 'quantity例句：1. The frequency of the signal is 100 Hz.（信号的频率是100赫兹。）']
例句：
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1. The frequency of the signal is 100 Hz.
信号的频率是100赫兹。
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2.The frequency of light waves is measured in meters per second.
光波的频率是以米每秒为单位测量的。
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3. The frequency of the radio waves is 2.4 GHz.
无线电波的频率是2.4吉赫。