The broadband FM signals and the narrowband CF signals travel out to a target, reflect from it, and return to the hunting bat.

宽带 FM 信号和窄带 CF 信号传输到目标，从目标反射回来，然后返回猎蝠。

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Determined that FM radio would never succeed, Armstrong jumped from the 13th floor of his apartment in 1954.

由于确信他的调频收音机不会成功，1954年，阿姆斯特朗从他位于13层的房间纵身跃下。

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In fact, due to their lower frequency, at similar RF exposure levels, the body absorbs up to five times more of the signal from FM radio and television than from base stations.

事实上，由于频率较低，在射频接触水平相同的情况下，人体从调频收音机和电视吸收的信号比从基台吸收的信号要多四倍。

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Giving women hope for the future is one of the goals of the station, Nisaa FM,which started broadcasting this month from the West Bank town of Ramallah.

VOA: standard.2010.06.24

But arriving so late in the US means that the newcomer will find a market where digital music consumers already have plenty of choice, from Pandora to last.fm, from Rdio to Rhapsody.

BBC: Spotify heads West to the US...finally

There is no set date for the switchover from FM to digital radio although the government is keen for it to happen in 2015.

BBC: Ofcom to use free airwaves for rural broadband

Two years and presumably zero replies later, a young Joe Belfiore introduced Buy From FM along with the Zune 3.0 software, which Ed says directly infringes on his patents -- and his lawsuit, filed ten days ago, asks the court to permanently stop sales of the Zune and award him triple damages in cash.

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