信号接收机

醋酸钙不动杆菌PHEA-2苯酚降解调控蛋白MphR化学信号域的研究

busy signal

transmembrane signal transduction

time signal

limitation of television signal

signal(l)ing alphabet【通信】

bus strobe signal【计】

buoyant smoke signal【水运】

burst signal【电】视;colo(u)r synchronization signal【电】视