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guidance navigation
 guidance & navigation
mil., air.def. 制导与导航
| avionics control unit
 avionics control unit
el. 航空电子 控制装置

to phrases
guidance & navigation
mil., air.def. 制导与导航
guidance navigation
: 73 phrases in 8 subjects
Air defense2
Aviation24
Earth sciences1
Electronics16
Information technology1
Space24
Technology4
United States1