central system

central system

: 244 phrases in 52 subjects

Air defense	2
Architecture	1
Artificial intelligence	1
Automobiles	10
Aviation	28
Business	14
Chemistry	1
China	1
Communications	1
Computers	1
Cryptography	1
Earth sciences	12
Ecology	3
Economics	1
Electric machinery	3
Electronics	17
Exhibitions	1
Finances	7
Foreign trade	1
General	4
Geology	1
Geophysics	1
Hong Kong	1
Hydroelectric power stations	1
Information technology	4
International Monetary Fund	3
International trade	1
Marketing	1
Mathematics	1
Medical	1
Metallurgy	3
Name of organization	1
Nautical	1
Navigation	1
Neurosurgery	1
Nursing	1
Oil / petroleum	3
Power electronics	1
Project management	3
Psychology	2
Rail transport	1
Refrigeration	12
Reproductive biology	1
Scientific	3
Securities	4
Shipbuilding	1
Space	24
Technology	46
Telecommunications	5
Textile industry	2
United Nations	2
Wind Energy	1