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词组 heartbeat
释义 heartbeat
noun
  1. any of several signals produced by a computer or software US
    • — Eric S. Raymond, The New Hacker’s Dictionary, p. 197, 1991
  2. a short measure of time US, 1985
    • — Hans Halberstadt, Airborne, p. 130, 1988: “Abridged dictionary of airborne terms”
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