气候条 件: 57 phrases in 18 subjects |
Agriculture | 4 |
Automobiles | 8 |
Commerce | 1 |
Desert science | 3 |
Ecology | 2 |
Engineering geology | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 7 |
Metallurgy | 1 |
Plastics | 1 |
Project management | 2 |
Rail transport | 1 |
Skiing | 1 |
Skydiving | 1 |
Space | 1 |
Technology | 20 |
United Nations | 1 |
Wind Energy | 1 |