That's because the 0 V reference is usually the famous ground.
那是因为0V的参考电压通常是指众所周知的大地。
The cube is centered at Position (0, 0, 0), just like the ground plane.
跟地平面一样，这个立方体居中在(0,0,0)位置。
Carl burrows up from the ground to start at the origin at time 0.
卡尔钻出地面上看到第一缕阳光的时间是0时刻。记住，出洞的地方是起点！
The article ground connection and receive 0 make one simple introduction.
本文就接地和接零作一简单介绍。
The article ground connection and receive 0 make one simple introduction.
本文就接地和接零作一简单介绍。
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