signaling
  信令
  signaling
  發信號 發信
  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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  signaling
       n : any communication that encodes a message; "signals from the
           boat suddenly stopped" [syn: signal, sign]