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远程导航系统
avia.	long-range navigation system (远程导航系统作为主要的导航手段是在仪表飞行规则下被批准使用的电子导航设备，且至少有一个导航输人源，如惯性导航系统、全球定位系统或“罗兰” C)
cartogr.	loran
mil., air.def.	longrange navigation system
space	long range navigation
tech.	long-range navigation system
远程远距离无线电导航系统
mil., air.def.	loran
远程无线电导航系统
geophys.	long-range navigation system
双曲线远程导航系统
space	long range navigation

远程 导航系 统: 23 phrases in 9 subjects

Air defense	3
Aviation	3
Earth sciences	2
Electronics	1
General	5
Oil / petroleum	1
Shipbuilding	3
Space	2
Technology	3