如果屏蔽层的电流返回路径设计不当，这部分电流将会影响分开布置的系统部件，并且可能引发故障，而故障出现的位置可能与“看似完好”的屏蔽层相去甚远。

If shield currents are not returned properly, they can show up in a remote part of the system and perhaps cause trouble in a location totally unrelated to the shielding problem that was "solved."

youdao