system dispatching

: 73 phrases in 18 subjects

Agriculture	1
Aviation	1
Business	3
China	1
Communications	6
Consulting	1
Earth sciences	3
Electricity	2
Electronics	9
General	1
Hydroelectric power stations	5
Information technology	5
Librarianship	1
Multimedia	2
Rail transport	9
Space	5
Technology	11
Telecommunications	7