“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	ground station ground-structure method ground subsidence induced by dewatering of foundation pit engineering ground subsidence survey ground substance ground support equipment ground support vehicle ground tea ground term ground test and launch control system ground test for separation system under thermal circumstance ground test of airborne weapon fire control system ground timing system ground tissue ground treatment ground treatment in mountain area ground trial ground vibration test for stores installed on aircraft groundwater ground water activity on Mars groundwater age groundwater available yield groundwater balance ground water chemical monitoring groundwater collecting structure

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