This paper made detail study on the theory and structure of the APF and the three control methods: detecting load current method, detecting system current method and complex control method.是什么意思_This paper made detail study on the theory and structure of the APF and the three control methods: detecting load current method, detecting system current method and complex control method.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句