Subject	English	Chinese
avia.	army air traffic control and navigation system	陆军空中交通管制与导航系统
gen.	control and navigation	控制与导航
space	space control and navigation	航天控制与导航
space	space control and navigation	航天［空间］控制与导航
el.	space shuttle vehicle guidance, control and navigation	航天飞机制导、控制与导航
avia.	tactical control and navigation	战术控制与导航
space	weapon control and navigation system	武器控制与导航系统