基本 结 构 : 29 phrases in 14 subjects |
Agriculture | 1 |
Aviation | 1 |
Corporate governance | 1 |
Electronics | 3 |
Explosives and Explosive Ordnance Disposal | 2 |
General | 1 |
Genetics | 1 |
Metallurgy | 2 |
Nautical | 1 |
Oil / petroleum | 2 |
Oil processing plants | 1 |
Space | 2 |
Technology | 8 |
Textile industry | 3 |