signalingn.打信号；发信号动词signal的现在分词.signaln.信号；标志v.(发信号)通知、表示adj.显著的signal blockage信号遮挡signal crossing信号交叉口signal activity信号活动signal for help发信号求救signal notation信号记法signal's signal舒血宁signal combiner信号组合器Signaling Games信号传递博弈signal facility信号设备signal behavior信号行为