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人员系统
avia. man systems
space man systems (载人航天器上为人的生存和工作环境服务的系统和设备的总称)
人员 系统
: 59 phrases in 17 subjects
Air defense1
Artificial intelligence1
Aviation15
Business1
Corporate governance1
Economy3
Electronics7
Hydroelectric power stations1
International Monetary Fund2
International trade1
Name of organization9
Navigation1
Refrigeration1
Space8
Technology5
Telecommunications1
United Nations1