signalling
- n.
- 信号，暗号，近因，导火线
- vt.
- 向...作信号，标志，用信号通知
- vi.
- 发信号
- adj.
- 作为信号的，显著的
释义（英文）
动词 Verb
- present participle and gerund of signal
名词 Noun
- The use of signals in communications, especially the sending of signals in telecommunications.
- (rail transport) The signals and associated equipment required for their operation.