The design principle, basic factor of SFGACS is presented.
讨论了SFGACS的设计原则、基本要素和设计原理。
Principle and class of active power factor correction(APFC) are introduced.
主要介绍了有源功率因数校正（APFC）的工作原理、电路分类。
In this article, the principle, construction, influence factor and application of this technique were described.
本文简单介绍该技术的原理、构建、影响因素、应用前景等。
The principle of proportional factor method is further modified and perfected.
进一步修正和完善了比例常数法的原理。
The principle of proportional factor method is further modified and perfected.
进一步修正和完善了比例常数法的原理。
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