Next, however, the e-passport has to be placed over an inductive reader that provides the radio-frequency energy to power up the passive RFID so it can spit out its data.

然而接下来，得把电子护照放在一个感应阅读器上，后者才能供给无源rfid射频能量电源，稍后，护照里的数据才能读出。

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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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Modulating a long foil at high frequency and high voltage transmits significant radio frequency energy, which may cause interference with radio communications.

装备一个长叶片在一个高频率高电压的传输将引起无线电频率辐射，可能引起无线电交流冲突。

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McDonald was also the third physician in the world to perform a procedure called conductive keratoplasty -- a noninvasive surgery for farsightedness that involves using radio-frequency energy to heat small spots around the cornea.

CNN: Her vision: Better, clearer sight