“microwave landing system”的概念、定义、翻译、参考文献-科学参考

单词	microwave landing system
释义	microwave landing system Encyclopedia 工学无线电时间导航释 microwave landing system; MLS微波着陆系统工作于微波频段，采用时间式无线电导航测角和询问/回答式双程脉冲测距原理，为飞机提供相对于跑道的方位、仰角、距离信息，以飞机上导出引导数据形式实现飞机主动着陆的无线电导航系统。
随便看	precession method precession of orbit precession of perihelion precession of the earth precession of the equinox precession period precession rate prechamber pre-charge precharge precheck Pre Chin-shih precholecalciferol pre-chromodynamics precincts precious and endangered wildlife used for producing and trade Precious Book of Ophthalmology Precious Druɡs in Rhyme Precious Jade God Book precious metal precious metal biological materials precious metal bushing materials precious metal catalysis precious metal catalyst precious metal catalytic materials

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