型显示 : 133 phrases in 20 subjects |
Agriculture | 1 |
Air defense | 29 |
Architecture | 1 |
Automobiles | 3 |
Aviation | 6 |
Business | 1 |
Communications | 5 |
Computers | 1 |
Construction | 1 |
Earth sciences | 1 |
Electronics | 17 |
General | 7 |
Information technology | 4 |
Medical | 1 |
Metallurgy | 1 |
Multimedia | 3 |
Shipbuilding | 1 |
Space | 43 |
Technology | 6 |
Telecommunications | 1 |