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单词 navar
释义

navar

/ˈnavɑː/
Aeronautics. Now historical
noun
A navigational radar system in which the positions of aircraft near an airport are determined by ground radar and then transmitted to pilots in the vicinity.

Origin

1940s. Either from the initial letters of navigation and ranging, or from nav- + -ar.

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更新时间:2024/12/23 18:28:05