有系统的 : 91 phrases in 29 subjects |
Air defense | 1 |
Automobiles | 3 |
Aviation | 9 |
Bridge construction | 1 |
China | 1 |
Commerce | 1 |
Computer networks | 1 |
Computers | 1 |
Cryptography | 1 |
Earth sciences | 4 |
Ecology | 1 |
Economy | 2 |
Electronics | 8 |
Explosives and Explosive Ordnance Disposal | 1 |
Finances | 4 |
General | 9 |
Genetics | 1 |
Geophysics | 1 |
Information technology | 3 |
International Monetary Fund | 6 |
Logistics | 1 |
Management | 2 |
Nautical | 1 |
Project management | 8 |
Refrigeration | 3 |
Space | 4 |
Technology | 10 |
Telecommunications | 1 |
United Nations | 2 |