结 构分析 : 197 phrases in 32 subjects |
Agriculture | 2 |
Aviation | 20 |
Bridge construction | 11 |
Business | 12 |
Chemistry | 1 |
Commerce | 2 |
Compressors | 1 |
Computers | 1 |
Cryptography | 1 |
Earth sciences | 8 |
Ecology | 1 |
Economy | 1 |
Electronics | 32 |
Engineering geology | 2 |
Explosives and Explosive Ordnance Disposal | 1 |
Finances | 1 |
General | 3 |
Genetics | 2 |
Hydroelectric power stations | 2 |
Information technology | 4 |
Marketing | 1 |
Metallurgy | 8 |
Multimedia | 1 |
Navigation | 1 |
Oil / petroleum | 4 |
Polymers | 1 |
Project management | 1 |
Securities | 3 |
Space | 18 |
Technology | 46 |
Telecommunications | 2 |
Textile industry | 3 |