Their instruments detected very faint radio waves at a frequency of 3 kilohertz.

他们的仪器探测到了频率为3千赫的非常微弱的无线电波。

《柯林斯英汉双解大词典》

Gravity waves have a frequency of about once every 30 seconds.

重力波的频率为每30秒一次。

youdao

So, this really just means for frequency, it's a frequency label.

你要说米每秒，所以它仅仅是，用来表示频率的，是个频率的标志。

youdao

But there is a limited amount of radio frequency spectrum available.

VOA: special.2010.03.19

So, this really just means for frequency, it's a frequency label.

你要说米每秒，所以它仅仅是，用来表示频率的，是个频率的标志。

麻省理工公开课 - 化学原理课程节选

It says, "This is such and such a frequency."

数据表明,这光是多少多少频率的

耶鲁公开课 - 死亡课程节选

To compare, standard mechanical timepieces run at a frequency of 28, 800 vph (4 Hz).

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In January, the print version plans to return to a frequency of 12 issues a year.

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It will also tend to vibrate at a frequency determined by the weight of the object.

ECONOMIST: Small-scale physics