When possible, try to maintain a single system ground point.

如果可能，应尽量采用单一的系统接地点。

youdao

The zero-sequence current protection is an important means of power system ground protection.

零序电流保护是一种重要的接地保护方法。

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A grounded source is one in which the voltage signals are referenced to a system ground, such as earth or building ground.

接地信号源的电压信号以系统地线作为参考点，比如建筑物或大地。

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Between thirty and thirty-five women used each system to pump water from the ground or a stream.

VOA: special.2010.01.11

The Earth seems to be a pretty good inertial system, because on the ground, you leave something, it stays there.

地球看上去是个不错的惯性系,因为什么东西放在地上,都会保持静止

耶鲁公开课 - 基础物理课程节选

Engineers on the ground designed a way the astronauts could connect air-cleaning devices from the command module to the air system in the lunar module.

VOA: special.2009.07.22

British Airways was forced to abandon its plans of moving its entire Heathrow operations to Terminal 5 in just three days in April, after its baggage system ground to a halt, resulting in chaos in the terminal's opening days.

FORBES: Magazine Article

So, for example, having an operational Airborne Laser system and a ground based system give the sea based interceptor more timely and accurate information with which to do its job.

CENTERFORSECURITYPOLICY: 33 Minutes

Whether the U.S. system of ground-based interceptors are the right response quickly became a matter of debate Friday.

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