One of the critical problems that need to be solved by a ground distance relay is to improve the capacity of the earth-fault resistance endurance of the relay.

接地距离继电器要解决的关键问题之一是提高其耐受过渡电阻的能力。

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The frame rate is 15 fps and the "ground sample distance" is 15 centimeters -- each pixel represents about six inches.

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The South Wales Evening Post reported the next day that around 30 Cardiff supporters were chased into the sea, a short distance from the ground.

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Indeed, it is the ground campaign that establishes the distance.

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