英语词汇“dual-tone multifrequency signallingDTMF”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	dual-tone multifrequency signallingDTMF
释义	dual-tone multifrequency signallingDTMF 一种通信方法,使用两个特殊音频频率的组合,,一个选自三个或四个相对高频的一组。
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