system utilization

: 41 phrases in 18 subjects

Agriculture	2
Artificial intelligence	1
Aviation	3
Business	2
China	2
Earth sciences	1
Ecology	1
Electricity	1
Electronics	7
General	1
Hydroelectric power stations	1
Information technology	3
Missiles	1
Name of organization	1
Space	6
Technology	6
Telecommunications	1
United Nations	1