Shields are often "grounded," that is, they are connected to an earth ground point.
屏蔽通常是“接地”的，也就是说，它们被连接到一个接地点。
Run all ground wires to a common ground point.
把所有地线连到一公共的接地点。
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。
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。
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