它与换向电流所不同的是不把镀件作阳极，而是间歇地停止供电，由于间歇中断电流，阴极电位随时间周期性地变化。
It and reversing current different is not to be, but with a anode intermittently stop, because the intermittent power supply current interrupted, cathode potential with time periodically change.
移动阴极：采用机械装置使被镀制件与极杠一起作周期性往复运动的阴极。
Mobile cathode: the mechanical device makes the plated with its poles together as a product of the periodic reciprocating motion cathode.
空间电荷形成的虚阴极的位置和电势周期性地振荡。
The position and potential of the virtual cathode caused by space charge effects oscillate periodically.
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