Move with the X axis micrometric movement the sharp shadow, till the digital comparator red light is on the zero right position.
微调移动X 轴接近“十”字比较尺，直到数字比较器的指示灯在零点右边变亮。
2
The zero output and great consumption growth in China forms a sharp contrast to the rapid increasing capacity in neighboring countries.
零生产量与迅速增长的消费量和周边迅速增长的生产能力形成强烈的反差。
3
This is particularly the case for the third harmonic, which causes a sharp increase in the zero sequence current, and therefore increases the current in the neutral conductor.