“fan-marker beacon”的概念、定义、翻译、参考文献-科学参考

单词	fan-marker beacon
释义	fan-marker beacon [`fan ´märk·ǝr ´bē·kǝn] ^NAVIGATION A very-high frequency radio facility having a vertically directed fan beam interesecting an airway to provide a fix. Also known as fan marker; radio fan-marker beacon.
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