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单词 ground-controlled approach
释义

WordReference Random House Unabridged Dictionary of American English © 2024
ground-con•trolled approach′  (groundkən trōld′),USA pronunciation [Aeron.]
  1. Aeronauticsa system in which an observer interprets radar observations of the position of an aircraft and transmits continuous instructions to its pilot for landing. Abbr.: GCA  Also, ground-con•trol′ approach′. 
  • 1940–45

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更新时间:2024/11/11 8:06:35