handshaking
握手
交握
信号
联络
握
交接处理
信号交换
握手联络
交握协定
建立同步交换
中止-意外停机
接点泄漏
(ultra-wideband) UWB signal
2(n) sequence pseudo-random signal
20 Hz Electric Source Signal
2-D ESPRIT(estimation of signal parameters via rotational invariance techniques)
2-D image signal acquisition
2-D temporal-spatial adaptive signal processing
3 DNA signal amplification
ABA signal transduction
abbreviated signal code