signalling
  發信號; 振鈴機
  signalling
  發信率
  signalling
  信號方式; 信號制
  Sig·nal, v. t. [imp. & p. p. Signaled ∨ Signalled; p. pr. & vb. n. Signaling or Signalling.]
  1. To communicate by signals; as, to signal orders.
  2. To notify by a signals; to make a signal or signals to; as, to signal a fleet to anchor.
  ◄ ►
  signal
       adj : notably out of the ordinary; "the year saw one signal
             triumph for the Labour party"
       n 1: any communication that encodes a message; "signals from the
            boat suddenly stopped" [syn: signaling, sign]
       2: any incitement to action; "he awaited the signal to start";
          "the victory was a signal for wild celebration"
       3: an electric quantity (voltage or current or field strength)
          whose modulation represents coded information about the
          source from which it comes
       v 1: communicate silently and non-verbally by signals or signs;
            "He signed his disapproval with a dismissive hand
            gesture"; "The diner signaled the waiters to bring the
            menu" [syn: sign, signalize, signalise]
       2: be a signal for or a symptom of; "These symptoms indicate a
          serious illness"; "Her behavior points to a severe
          neurosis"; "The economic indicators signal that the euro
          is undervalued" [syn: bespeak, betoken, indicate, point]
       [also: signalling, signalled]