Unidirectional condition of negtive feedback amplifier is supplemented.Unidirectional accurate methods of negtive feedback amplifier is proposed.是什么意思_Unidirectional condition of negtive feedback amplifier is supplemented.Unidirectional accurate methods of negtive feedback amplifier is proposed.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句