水污 染 : 840 phrases in 37 subjects |
Agriculture | 5 |
Animal husbandry | 2 |
Automobiles | 1 |
Bridge construction | 1 |
Business | 3 |
China | 4 |
Commerce | 4 |
Construction | 1 |
Desert science | 2 |
Drilling | 3 |
Earth sciences | 39 |
Ecology | 48 |
Electronics | 14 |
Engineering geology | 18 |
Environment | 19 |
Explosives and Explosive Ordnance Disposal | 4 |
Fish farming pisciculture | 1 |
General | 5 |
Hydroelectric power stations | 8 |
International trade | 1 |
Librarianship | 2 |
Life sciences | 1 |
Management | 1 |
Metallurgy | 11 |
Name of organization | 3 |
Nautical | 5 |
Nuclear and fusion power | 2 |
Nursing | 1 |
Oil / petroleum | 11 |
Project management | 1 |
Shipbuilding | 1 |
Space | 3 |
Swimming | 1 |
Technology | 508 |
United Nations | 3 |
Water resources | 101 |
Wind Energy | 2 |