英语词汇frequency-exchange signaling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	frequency-exchange signaling
释义	frequency-exchange signaling 简明释义换频发讯网络释义短语 1 frequency exchange signaling 通信频率交换信号传输 2 frequency difference exchange signaling 换频传信双语例句 1 We study the transmission of signaling signal with the compelled method of multi-frequency, and study the switching control of DTMF signaling with exchange in wireless in details. 详细论述多频互控方式的信令信号传送，交换机DTMF信令无线信道接续与控制。
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