Cellphones send signals to nearby towers via radio frequency waves, a form of energy similar to FM radio waves and microwaves.

手机经过射频电波(一种与调频电波和微波类似的能量方式)，将信号发送至左近的信号塔。

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As a kind of an important form of mediation, FM has all-important function also, and played an important role in China's history.

作为调解的一种重要形式，民间调解也具有非常重要的功能，在中国历史上发挥了重要的作用。

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Noise frequency modulation (FM) jamming, which belongs to blanket jamming, is already become the main form of noise jamming at present, because the wideband was gained by it.

噪声调频干扰属于压制式干扰，由于它容易达到宽的干扰带宽，已经成了目前噪声干扰的主要形式。

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Turning from ancient history to more recent events, Lord Forsyth's point was that the FM had form: that he could not be trusted, as witness the episode of legal advice with regard to EU membership.

BBC: Spectre at the feast

There have been attempts to crack those stereotypes, but if anything, it's even harder than it was in Hendrix's day, a time when AM Top 40 had plenty of variety, free-form FM radio welcomed experimenting and record labels strained to catch up with it all.

CNN: The not-so-slight return of Jimi Hendrix