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单词 air marking
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air marking
air marking n. the setting up and maintenance of air markers; (also) an air marker.
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1931 Times 31 Aug. 15/3 In the U.S.A. there are some 12,000 air signs erected according to the specifications drawn up by an Air Marking Committee.
1981 Washington Post (Nexis) 19 Oct. b5 The Federal Aviation Administration, for which Earhart had helped work out an air marking program.
2005 U.S. Newswire (Nexis) 22 Feb. Numerous aviation and aerospace education projects, fear of flying clinics, aviation safety seminars, airport air markings and a wide variety of flying events.
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更新时间:2024/12/22 21:22:55