定位点 : 137 phrases in 37 subjects |
Agriculture | 2 |
Air defense | 1 |
Architecture | 1 |
Astronautics | 1 |
Automobiles | 3 |
Aviation | 25 |
Baseball | 1 |
Biotechnology | 1 |
Business | 1 |
Cartography | 1 |
Chemistry | 1 |
Commerce | 1 |
Communications | 3 |
Construction | 2 |
Dermatology | 1 |
Desert science | 2 |
Earth sciences | 2 |
Ecology | 2 |
Electric machinery | 2 |
Electronics | 7 |
Explosives and Explosive Ordnance Disposal | 2 |
General | 4 |
Genetics | 1 |
Hydroelectric power stations | 2 |
Metallurgy | 1 |
Molecular genetics | 2 |
Navigation | 1 |
Oil / petroleum | 6 |
Power system protection | 1 |
Project management | 1 |
Remote sensing | 1 |
Space | 15 |
Sports | 1 |
Technology | 31 |
Telecommunications | 1 |
Textile industry | 6 |
United States | 1 |