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仪表着陆系统
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仪表着陆系统
Encyclopedia
工学
无线电振幅导航
释
instrument landing system; ILS
仪表着陆系统
通过比较地面设备发射的多个波束的无线电信号幅值大小,利用等信号比值法为飞机提供下滑、航向引导及距离指示的无线电振幅导航系统。
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Galactic radio astrophysics
galactic radio astrophysics
Galactic radio emission
galactic radio emission
Galactic radio noise
Galactic radio radiation
galactic radio radiation
Galactic radio spur
Galactic ridge
Galactic rotation
galactic rotation
Galactic rotation curve
galactic rotation curve
galactic sheet
Galactic source
galactic space
Galactic spiral structure
Galactic spur
Galactic stellar disk
Galactic structure
galactic structure
Galactic subsystem
galactic superbubble
Galactic supernova
galactic supernova
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