“cone-of-silence marker”的概念、定义、翻译、参考文献-科学参考

单词	cone-of-silence marker
释义	cone-of-silence marker [¦kōn ǝv `sī·lǝns ´märk·ǝr] ^NAVIGATION A marker beacon, usually a Z (for zone) marker beacon, located at a radio-range station; operates at 75 megahertz and produces a light signal accompanied by a 3000-hertz tone.
随便看	asterism astern asternal asteroid asteroid belt Asteroidea Asteroschematidae Asterozoa aster wilt aster yellows asthenia asthenolith asthenopia asthenosphere asthma Astian Asticcacaulis astichous astigmat astigmatic difference astigmatic foci astigmatic interval astigmatic lens astigmatic mounting astigmatic surfaces

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