voice frequency carrier的意思|示意
声频载波
voice frequency carrier的网络常见释义
音频载波 ... 音频载波：voice frequency carrier 音频信令系统：VFSS Voice Frequency Signaling System 音频信道：voice channel ...
voice frequency carrier相关短语
1、 voice frequency carrier telegraph 影片载波电报 ; 音频载波电报
2、 voice-frequency carrier telegraphy 音频载波电报术
3、 voice-frequency carrier telegraph terminal 音频载波电报终端机
voice frequency carrier相关例句
VFCT? Voice Frequency Carrier Telegraph?
影片载波电报?。