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.
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 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]
 signalling
      See signal