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action system
agric.	作用系统

action system : 63 phrases in 21 subjects

Agriculture	2
Air defense	3
Automobiles	1
Aviation	18
Business	2
Earth sciences	1
Economics	1
Electronics	5
General	1
Hydroelectric power stations	1
Mining	3
Multimedia	1
Name of organization	1
Nautical	1
Project management	1
Reliability	1
Shipbuilding	1
Space	9
Technology	6
Telecommunications	2
United Nations	2