A spaceship's position can be located by following its radio signal, or by using telescopes and radar.

宇宙飞船的位置可以根据追踪它的无线电信号来确定，也可以用望远镜和雷达来确定。

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Though still able to cook food, its microwaves (essentially, short radiowaves) are modulated to encode information as though it were a normal radio transmitter.

虽然仍能烘烤食物，它的微波(本质上，就是无线短波)被调整以编码信息，就像是一般的无线电发报机。

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When exposed to a radio signal, they use its energy to send back the information they contain, mostly a long number identifying an object.

当这些标签暴露在无线电信号下时，它们将利用信号的能量发回其所包含的信息，这些信息大部分是用于识别物品的一长串数字。

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For the first time in its history, the Sirius/XM radio network dedicated one of its channels exclusively to a jazz artist,trumpeter Miles Davis.

VOA: standard.2009.12.25

Usually, a GPS tracker transmits its position using a radio or mobile-phone connection.

ECONOMIST: Monitor

Thus it is that a neutron star in a binary star system gets to spend its retirement years as a millisecond radio pulsar.

ECONOMIST: The dizziest, giddiest stars

Ms Nyberg says that Dutch electronics giant Philips is not selling a radio set of its own, even though it owns the pool of patents that define the core digital radio technology.

BBC: Clear signals for digital radio