英语词汇phase modulation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	phase modulation
释义	phase modulationn.Abbr. pm, p-m（名词）缩写 pm, p-m A type of electronic modulation in which the phase of a carrier wave is varied in order to transmit the information contained in the signal.相位调制，调相：一种电子调幅，为了传递包含在信号中的信息，而使载波的相位改变
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