Connecting with exterior grounding conductor is an effective measure to decrease ground grid grounding impedance.

引外接地是一种降低地网接地阻抗的有效措施。

youdao

The resistance-reducing rate for the small ground grid or electrode is less than 56.6%, even under large permeability.

即使考虑强大的渗透作用，集中接地体或小型地网的降阻率也不会超出56.6%。

youdao

The key of corrosion detecting technique of ground grid was to solve the problem of in field current distribution, detecting methods and the noise interfering.

埋地裸金属网现场腐蚀检测技术研究着重解决了现场检测中的电流分散、检测方法、噪声干扰等问题。

youdao

You realise are you standing on a metal grid and you can look through to the ground below.

BBC: Imperial War Museum North

If engineers were held to the same standards, bridges would collapse as often as banks, planes would fall from the sky (if they ever got off the ground), and cyclical blackouts would be a permanent feature of our electrical grid.

FORBES: The Fundamental Fallacies Of Macroeconomics