名词
中文翻译：频率
同义词：
['rate', 'recurrence', 'occurrence', 'degree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。）2. The frequency of phone calls has decreased significantly since the introduction of mobile phones.（自从手机普及以来，电话通话的频率显著下降。）']
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。
-
2. The frequency of phone calls has decreased significantly since the introduction of mobile phones.
自从手机普及以来，电话通话的频率显著下降。
-
3. The frequency of light waves varies with the distance between the source and the observer.
光波的频率随源和观察者之间的距离变化而变化。