When it receives the right radio signal, from, say, a mobile-phone network, aircraft or satellite, the device may blow up, shut down, or work differently.

当它从手机网络、飞机或卫星接收到恰当信号时就会爆炸、关闭或是改变运作方式。

youdao

He made a device to make the door shut by itself.

他制作了一个让门自动关闭的装置。

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Automatic shut down water leaking device.

漏水自动关闭装置。

youdao

"Tablets are an important growth opportunity for wireless operators who are looking for new ways to drive data revenue, " said Dan Hays, a partner with the consulting firm PRTM, adding that Sprint and T-Mobile could be significantly hurt again by being shut out from the market leading device.

WSJ: Apple's New iPad in Production

You see, rather than letting the device stay on standby like most other Android devices, Nikon uses a shut-down timer that activates once Android goes on standby.

ENGADGET: Nikon Coolpix S800c hands-on: a closer look at the Android camera (video)

As it's not geared for general consumer use, so it's not the thinnest, sleekest or best-looking device, and the back doesn't even seem to snap completely shut.

ENGADGET