It is a technically challenging project and things may go wrong along the way - powering the GPS transmitter and linking that to this website has been challenging.

项目技术挑战在于任何时候都可能出错：为GPS发送器充电并且与网站相连将极具挑战。

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The snag, however, has been that while efficiency is good at close contact, it can drop to zero at even a few millimetres from the transmitter.

一个意料外的障碍是，尽管在相当近的距离内传输效率很高，可一旦和传输器的距离达到几毫米，效率就会跌到零。

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This transmitter has been applied in the Water Well Project of Songyuan Oil Field.

该变送器已在松源油田水源井项目中得到应用。

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The beauty of the system is its true self-sustainability: once the transmitter has been been jumpstarted with radio waves, it powers itself through the resulting transmissions.

ENGADGET: MIT ear-powered wireless sensor sustains its charge through sound

Electricity has been restored to the Bath transmitter which feeds television and radio broadcasts to 80, 000 homes after a fire caused a power cut.

BBC: Bath transmitter is fixed after arson attack

The Olympian, Dame Mary Peters, has been asked to turn off the analogue switch at the Divis transmitter in Belfast.

BBC: Digital Switchover