名词
中文翻译：频率
同义词：
['rate', 'quantity', 'magnitude例句：1. The frequency of earthquakes in this area is relatively high.（这个地区的地震频率相对较高。）']
例句：
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1. The frequency of earthquakes in this area is relatively high.
这个地区的地震频率相对较高。
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2. The frequency of occurrence of the disease is low.
这种病的发生率很低。
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3. The frequency of light waves is directly related to their wavelength.
光波的频率直接与波长相关。