distant signal relay  远程信号中继器

series signal relay  串接信号继电器

signal relay station  信号中继站

relay protection signal  继电保护信号; 保护信号

signal lamp relay  信号灯电驿器

Arry signal signal processing  阵列信号处理

Cab Signal as the Dominant Signal  主体化

Digital Signal Level 0- Digital Signal Level 3 DS0-DS3  零阶数字信号和三阶数字信号

producing address signal and enable signal  地址信号选通信号产生

Promoting Cab Signal as the Dominant Signal  主体化

separation of luminance signal and color signal  亮色分离

Signal with signal frequency  快变幅值

signal-noise ratio (=signal-to-noise ratio =SNR)  讯噪比

signal-to-noise ratio of strong signal  大信号信躁比

Transform voltage signal to current signal  电压电流转换

unwanted signal， undesired signal  无用信号

guard signal [= warning signal]  警告信号; 警示信号

digital signal orbital signal circuit  数字轨道电路

FR-FR Frame Relay – to – Frame Relay  从帧中继到帧中继