voice frequency telegraphy的意思|示意
语音电报
voice frequency telegraphy的网络常见释义
音频电报 ... voice frequency system 话频制 voice frequency telegraphy 音频电报 voice quality 声音品质 ...
voice frequency telegraphy相关短语
1、 voice frequency telegraphy equipment 音频电报设备
2、 Voice-frequency telegraphy on radio circuits 无线电路上的音频电报
3、 multi-channel voice-frequency telegraphy 多路音频电报