英语词汇call progress signal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	call progress signal
释义	call progress signal 简明释义呼叫进行信号网络释义 1 ?呼叫进展信号 ... call number 调用号 call progress signal 呼叫进展信号 call sign 呼号，标志信号 ... 2 [通信]?呼叫进行信号 ... call not accepted呼叫不接受 call progress signal呼叫进行信号 call request呼叫请求 ... 短语 1 signal call progress 呼叫行进讯号双语例句 1 This paper provides a warning system, it use DTMF signal of telephone and MT8888 as a monolithic DTMF transceiver with call progress. It also gives the hardware and software flow chart of the system. 介绍一种基于电话网且采用MT8888作DT MF信号的收发器件的报警系统，文中给出了MT 8888与电话线的接口电路及软件流程图。
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