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单词 radar beacon
释义

WordReference Random House Unabridged Dictionary of American English © 2024
radar bea′con, 
  1. Electronicsa radar device at a fixed location that, on receiving a radar signal, automatically transmits a particular radar signal in reply, identifying itself and enabling navigators of ships and aircraft to determine their distance and direction from it. Also called racon. 
  • 1940–45

Collins Concise English Dictionary © HarperCollins Publishers::
radar beacon n
  1. a device for transmitting a coded radar signal in response to a signal from an aircraft or ship. The coded signal is then used by the navigator to determine his position
    Also called: racon
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更新时间:2025/7/23 13:12:35