signallingn.发信号；信号设备动词signal的现在分词形式.signaln.信号；标志v.(发信号)通知、表示adj.显著的signaling procedure control信号过程控制signal transduction pathway信号转导途径signalling message handling信令消息处理signal coordination control信号联动signal communication system[计] 信号通信系统signal recognition particle信号识别粒子Signal conditional circuits信号调理Signal Analyzer and Sampler信号分析和取样仪signal for ineffective call无效呼叫信号signal distortion generator信号失真发生器