anticipating signal是什么意思

用法例句

Including the design of both the wrong signal and advanced signal,and the wrong signal compose of wrong sound and flashing signal.

根据中央信号系统的工作原理,采用PLC控制变电站中央信号系统的原理,用PLC实现事故音响信号、预告信号、灯光信号的过程及特点。