CDMA通信信号
CDMA communication signal
常规通信信号
general communication signals
超宽带通信信号
ultra-wideband communication signals
短波自适应通信信号
HF adaptive radio communication signal
国际闪光通信信号
international flashing light signalling
开始通信信号
initial-of-message signal
数字通信信号
digital communication signals
digital communication signal
digital modulated signal
水声通信信号
underwater communication signal
铁道通信信号
railway signalling & communication
铁路通信信号
railway communication and signaling
Railway Signalling and Communication
railway communication and signalling
railway signaling and com munication
Railway Signal and Communication
铁路通信信号工程技术
railway signalling & communication engineering
通信信号
communications signals
communication signal
Signaling and Communication
signaling and communica-tion
signal and communications
Communication and Signal
Signal and Communication
cables
Signals and communications
Signalingcommunication
Communication signals
通信信号处理
communication signal processing
communication signals processing
通信信号电缆
Communication and Signal Cable