航管 meaning in Chinese

navigation management

Air traffic control and air navigation aids and electronics management
航管及航电督导管理训练
Terminal instrument procedures management flight information proficiency training
航管仪航程序训练
Air traffic control unit next to take control of an aircraft
接管单位指接管航空器之次一飞航管制(以下简称航管)单位。
Research and realization of air trafic control radar working state recording instrument
航管雷达工作状态记录仪设计与实现

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