signal end信号端signaln.信号；标志v.(发信号)通知、表示adj.显著的signal quantization level信号量化级signal sliding conductors信号滑触线signal-to-noise ratio信号干扰比signal-generating means信号发生法signal detecting receiver信号检测接收器signal interference ratio信号干扰比signal condition circuits信号调理电路signaling link activation信令链路启用Signal Corps Radio Number通信部队无线电号码signal ship microcomputer单片机