A wrist-mounted anti-gravity device.

一个腕带式反重力装置。

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A portable flood control apparatus consists of: uniform leakage-proof nylon fabric units, plastic-steel triangular keel supports, keels, fender-guards, gravity device, connecting bolts and fasteners.

本发明涉及一种防洪装备。主要由制式单元防漏尼龙雨布。塑钢三角形龙骨支撑架、龙骨、安全保险杠、重力装置、单元连接锁栓及加固件等组成。

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Some further testing has to occur first, such as making sure the device works properly in low-gravity conditions.

一些深层次的测试要先进行，诸如确认它在低重力状态下能正常工作。

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The Levitron gets touted as an "anti-gravity" device--and in a way, it is.

FORBES: Toys Your Techie Friends Will Love

On a lark, Mr. Minsky spent some time "inventing useless things, " he says, such as a "gravity machine, " a device that would ring a bell if the force of gravity changed.

WSJ: Looking for Something Useful to Do With Your Time? Don't Try This

At Purdue University in Indiana, scientists are working on a reactor-like device that uses water circulated by gravity to keep the core cool.

CNN: Today/Tomorrow - Helping nuclear plants keep their cool