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单词 loran
释义

WordReference Random House Unabridged Dictionary of American English © 2024
lo•ran  (lôr′an, lōr′-),USA pronunciation n. 
  1. Nautical, Naval Termsa system of long-range navigation whereby the latitude and longitude of a ship or airplane are determined from the time displacement between radio signals from two or more fixed transmitters.
Also, Lo′ran. 
  • lo(ng) ra(nge) n(avigation) 1940–45, American.

Collins Concise English Dictionary © HarperCollins Publishers::
loran /ˈlɔːrən/ n
  1. a radio navigation system operating over long distances. Synchronized pulses are transmitted from widely spaced radio stations to aircraft or shipping, the time of arrival of the pulses being used to determine position
Etymology: 20th Century: lo(ng-)ra(nge) n(avigation)
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