英语词汇positive feedback怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	positive feedback
释义	positive feedbackn.（名词） Feedback that results in amplification or growth of the output signal.正回馈：会使输出信号增大或扩大的回馈
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