Omnirange definition is a system of radio navigation.
无线导航台是一个无线电导航系统。
They learn about everything from aircraft design and navigation to radio communications and safety.
他们学习飞机设计,导航,无线电通信及安全。
They learn about everything from aircraft design and navigation to radio communications and safety.
他们学习飞机设计,导航,无线电通信及安全。
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