But the effect of ac current on I_V characteristics is weaker, and probably closer to the intrinsic effect.

但横向交流电流的调制效应较小，可能更接近本征的效应。

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The suppression role of the ac current on the MHD perturbations was analyzed in theory and proved numerically.

关于交变电流对MHD扰动的抑制作用，从理论上作了分析并从数值上加以证明。

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A DC voltage outer loop control for power balance and PI correction and an ac current inner loop control for feedback are designed to ensure the current quality and stabilize the DC voltage.

通过直流电压外环的功率平衡控制及比例积分校正，配合内环并网电流反馈控制，使并网逆变器在保持并网电流质量的同时更好地控制直流电压。

youdao

Since 2005, the company has stood out in the fast-moving LED industry with an innovation that allows LEDs to be powered by alternating current, or AC, rather than requiring a transformer that turns AC into direct current.

WSJ: Seoul Semiconductor's LED-Lighted Path

Today AC remains the current of choice, since it converts easily to different voltage levels.

FORBES: The Warlock of Menlo Park

Edison sent word to the commission that although he would like to see capital punishment abolished altogether, death by electrocution was the most humane method--and AC the preferred current.

FORBES: The warlock of Menlo Park