Traffic accidents have decreased in frequency over recent years.近年来交通事故发生的频率已经下降。
The frequency of his visits annoyed her.她对于他的频繁来访感到厌烦。
Accidents are happening with increasing frequency.事故发生得越来越频繁。
If we can know their frequency we will monitor their talking.如果我们知道他们的频率,我们就能监听他们的谈话。
This radio station broadcasts on four different frequencies.这家无线电台用四种不同的频率播放节目。