The frequency of Kara's phone calls increased rapidly.

卡拉打电话的频率迅速增加。

《柯林斯英汉双解大词典》

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》

He added, "We have to look at the frequency of events."

他补充道：“我们不得不看看事件的频繁性。”

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He says global warming is likely to increase the intensity and frequency of extreme weather events.

VOA: standard.2009.08.30

So, if something cycles through five wavelengths in a single second, we would just say that the frequency of that wave is five per second.

如果一个东西在一秒,内经历了五个波长，我们就说这个波的,频率是每秒5次。

麻省理工公开课 - 化学原理课程节选

So this means that we can go directly from the energy between two levels to the frequency of the photon that's emitted when you go between those levels.

这意味着我们可以直接,从两个能级的能量得到它们之间,跃迁发射出光子的频率。

麻省理工公开课 - 化学原理课程节选

Heightened degrees and frequency of risk taking are a given considering how cheap money is.

FORBES: Magazine Article

The frequency of strong-to-violent tornadoes has been cut in half during the past 40 years.

FORBES: Global Warming Taking The Wind Out Of Tornadoes

But take the frequency of those incidents into account, and the pain adds up.

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