frequency是什么意思

1.Theirinstrumentsdetectedveryfaintradiowavesatafrequencyof3kilohertz.他们的仪...


1 . Their instruments detected very faint radiowaves at a frequency of 3 kilohertz.

他们的仪器检测到一个3千赫的微弱无线电波。

来自柯林斯例句

2 . Fatal road accidents have decreased in frequency over recent years.

近年来致命交通事故发生率已经下降。

来自《权威词典》

3 . 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.

来自《简明英汉词典》

4 . The drug can reduce the frequency and severity of attacks.

这种药能降低发病次数和严重程度.

来自《简明英汉词典》

5 . Fatal accidents have decreased in frequency over recent years.

近年来死亡事故发生的频率已经下降.

来自《简明英汉词典》

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