The man-made sort can do things like transmit music or heat food in a microwave. At the low end of the spectrum are the frequencies used for things like television and mobile phones.

人造无线电波有多种用途，如传送音乐或者运用微波加热食物，频谱低端的频率可以使用在诸如电视和移动电话等设备上。

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Cell phones emit "non-ionizing radiation," similar to the kind produced by microwave ovens and cordless phones.

手机发出的是“非离子化辐射”，类似于微波炉和无绳电话发出的那种。

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Never place batteries or phones on or in heating phones, such as microwave ovens, stoves, or radiators. Batteries may explode when overheated.

不要将电池或手机放在加热装置上，例如微波炉、电炉或散热器。电池过热可能会引起爆炸。

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The 802.11b standard uses the unregulated 2.4 gigahertz radio band, which is already overloaded with cordless phones, microwave ovens and streetlights.

ECONOMIST: The wireless Internet: A LAN line | The

Ours is on a rack too shallow and low to accommodate a laser printer, and placed out of the way to minimize interference with the signal from TV sets, cordless phones and microwave ovens.

FORBES: Magazine Article

But it uses a lot of battery power, and the 2.4 GHz spectrum is also widely in use by devices like Wi-Fi networks--and cordless phones and microwave ovens can cause interference in that range.

FORBES: Magazine Article