frequency
/ˈfrikwənsi/
the number of occurrences within a given time period
中文释义：频率；发生次数
The frequency of earthquakes in this region has increased recently.
该地区地震的频率最近有所增加。
Radio waves are measured by their frequency in hertz.
无线电波以其赫兹频率来测量。
/ˈfrikwənsi/
the number of occurrences within a given time period
中文释义：频率；发生次数
The frequency of earthquakes in this region has increased recently.
该地区地震的频率最近有所增加。
Radio waves are measured by their frequency in hertz.
无线电波以其赫兹频率来测量。