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单词
radio marker beacon station
释义
radio marker beacon station
radio marker beacon station
[
′rād·ē·ō ′mär·kər ‚bē·kən ‚stā·shən
]
(navigation)
Station marking a definite location on the ground as an aid to aircraft at altitude; the International Civil Aviation Organization beacons operate at a single frequency of 75 megahertz.
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更新时间:2026/6/29 5:10:03