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- voice frequency signaling set 音频信号设备
- voice frequency signaling relay set 音频信号中继器
- voice frequency signaling system 话频信号系统
- In band voice frequency signalling device 带内音频振铃装置
- voice frequency signalling current 音频振铃电流
- voice frequency signalling system 话频信号系统
- VFT? Voice Frequency Transmission? 音频传输?
- VFT? Voice Frequency carrier telegraph Terminal? 音频载波电报终端?
- VFO? Voice Frequency Oscillator? 音频振荡器?
- Mask the signal set with the unwanted signals. 用不必要的信号屏蔽信号设置。
- voice frequency signal 音频信号
- Back to Back Channel Bank The connection of voice frequency and signaling leads between channel banks to allow dropping (i. E. Removing) and inserting (i. E. Adding) of channels. 背对背信息处理单元两个信息处理单元之间的话音频率和信令引导连接,允许对信道进行卸除(即删除)和插入(即添加)操作。
- Specification for simple telex terminals using single channel voice frequency signalling for connection to British Telecommunications telex network 与英国用户电报通信网连接使用单通道音频的简易用户电报终端规范
- Everything seemed positive, all signals set at green. 一切好象都使人满意,到处都开放着绿灯。
- The Great Wall from city wall, the pass city, war signal set etc. what many state defences constitute is an integrity of military method and system. 长城是由城墙、关城、卫所、烽火台等多州防御工事所组成的一个完整的军事法与体系。
- voice frequency signalling 音频信号方式
- Automatic monitor's audible and light flash signals set as your chorce. 自动声控、闪灯报警装置，静音选择。
- The readout principle and test method of high frequency signal of CD are introduced. 介绍了CD光盘的高频(HF)信号的读取原理和测试方法。
- The match strobe gate is presented to improve the measurement precision of low frequency signal. 文中提出使用匹配选通门提高低频信号频率测量精度。
- You are also not allowed to communicate on any text or voice frequency in use by pilots and regular ATC. 同时，也不得在正式管制员与飞行员通讯的频率上进行文字和语音通讯。
