Voltage is the essential factor that the color of film varies orderly with the change of voltage.

电压是影响膜层色彩的最主要的因素，颜色随着电压的变化而发生规律性的改变。

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All sorts of random influence factor for welding quality is contained in the change of current, voltage, electrode displacement, etc. signals.

对于电阻焊过程，影响焊接质量的各种随机因素，均直接或间接地蕴涵在焊接电流、电压、电极位移等信号的动态变化之中。

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The simulation result proves: Used this converter's topology structure, the envelope curve of import electric current follows entering voltage change. And power factor correction has been realized.

仿真分析结果证明：该变换器拓扑结构能够使输入电流的包络随着收入电压变化，有效的实现了功率因数校正。

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