定性分析 : 63 phrases in 26 subjects |
Advertising | 1 |
Agriculture | 2 |
Architecture | 1 |
Aviation | 4 |
Bridge construction | 2 |
Business | 2 |
China | 1 |
Commerce | 1 |
Desert science | 1 |
Earth sciences | 2 |
Ecology | 2 |
Economy | 3 |
Electronics | 1 |
Engineering geology | 4 |
Explosives and Explosive Ordnance Disposal | 3 |
Geology | 1 |
Hydroelectric power stations | 1 |
Metallurgy | 4 |
Nautical | 1 |
Oil / petroleum | 1 |
Plastics | 2 |
Rail transport | 1 |
Securities | 1 |
Space | 1 |
Technology | 19 |
Textile industry | 1 |