It connects the chassis of the sound equipment to the building's electrical ground.

它连接了音频设备的底盘和建筑物的地线。

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To minimize shock hazard, the instrument chassis and cabinet must be connected to an electrical ground .

为了尽量减小点击的危险，仪器的底座和机柜必须连接到地线。

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In this paper, the design of a test operation software for electrical ground support equipment is introduced.

文中介绍电气地面支持设备测试操作软件的方案设计。

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The New Victorian School had burned to the ground because of an electrical problem on January twelfth,two thousand.

VOA: special.2010.02.01

It does not appear there was fire inside the batteries, which are used mainly to provide electrical power during ground operations.

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If he is right, an earthquake will generate enormous electrical currents in the ground precisely the sort of thing that would upset the ionosphere and generate strange lights in the form of lightning-related phenomena.

ECONOMIST: Predicting earthquakes

Two hi-tech cables link the kite to an electric generator on the ground where the electrical power is generated.

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