voice-frequency carrier telegraph terminal
音频载波电报终端机
single-channel carrier frequency telephone terminal
单路载频电话终端机
multichannel carrier-frequency telephone terminal
多路载频电话终端机
power line carrier telephone terminal
电力线载波电话终端机
voice carrier telegraph testing equipment
音频载波电报测试仪
digital carrier telephone terminal machine
数字载波电话终端机
voice-frequency carrier teletype
音频载波电传打字机
multiple frequency shift keying telegraph terminal
多频移频键控电报终端机
valve 3-channel carrier telephone terminal equipment
三路电子管载波电话终端机
transistorized 3-channel carrier telephone terminal equipment
三路晶体管载波电话终端机
open-wire 12-channel carrier telephone terminal equipment
明线１２路晶体管载波电话终端机
adjacent audio carrier
邻(频)道伴音载波
Transmission requirements of frequency-modulated voice-frequency telegraph for a modulation rate of 50 bauds
GB/T4828-198450波特调频音频电报传输要求
Specification and measuring method of frequency-modulated voice-frequency telegraph set for a modulation rate of 75 Bauds with channels spaced at 180 Hz
GB/T5581-198575波特/180Hz调频音频电报机技术要求和测试方法
The video signal is directed to the CRT through a sound trap which eliminates the sound-carrier frequency.
视频信号通过声音陷波电路，消除声音载波频率，直达CRT。
Design of Meter-Reading Terminal Based on the Embedded Low-voltage Power Line Carrier;
嵌入式低压电力线载波抄表终端的设计
Remote Upgrade System for Low-voltage Power Line Carrier Meter-reading Terminal
低压电力载波抄表终端远程升级系统开发
high -frequency channel
高频电路, 载波电话通路