标准设 计 : 131 phrases in 26 subjects |
Agriculture | 1 |
Architecture | 1 |
Automobiles | 6 |
Aviation | 15 |
Bridge construction | 14 |
Business | 6 |
Chemistry | 1 |
Commerce | 1 |
Communications | 1 |
Consulting | 1 |
Earth sciences | 2 |
Ecology | 1 |
Economy | 4 |
Electric machinery | 2 |
Electronics | 14 |
Engineering geology | 2 |
General | 2 |
Hydroelectric power stations | 6 |
Information technology | 2 |
Metallurgy | 5 |
Oil / petroleum | 1 |
Shipbuilding | 1 |
Space | 2 |
Technology | 38 |
Telecommunications | 1 |
United Nations | 1 |