整体 结构 : 70 phrases in 16 subjects |
Architecture | 1 |
Automobiles | 8 |
Aviation | 3 |
Bridge construction | 3 |
Earth sciences | 1 |
Human resources | 1 |
Hydroelectric power stations | 5 |
Information technology | 1 |
Metallurgy | 6 |
Navigation | 2 |
Oil / petroleum | 2 |
Plastics | 2 |
Rail transport | 2 |
Securities | 1 |
Space | 3 |
Technology | 29 |