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防 污染 : 330 phrases in 35 subjects |
Agriculture | 3 |
Architecture | 1 |
Automobiles | 3 |
Aviation | 3 |
Business | 7 |
Chemistry | 1 |
China | 15 |
Construction | 1 |
Drilling | 1 |
Earth sciences | 12 |
Ecology | 32 |
Economy | 1 |
Electronics | 8 |
Engineering geology | 3 |
Environment | 10 |
General | 5 |
Hydroelectric power stations | 4 |
International trade | 2 |
Logistics | 2 |
Mechanics | 2 |
Metallurgy | 17 |
Mining | 2 |
Name of organization | 12 |
Nautical | 14 |
Oil / petroleum | 11 |
Patents | 1 |
Rail transport | 1 |
Shipbuilding | 6 |
Space | 4 |
Technology | 114 |
Textile industry | 6 |
United Nations | 13 |
United States | 1 |
Water resources | 7 |
Wind Energy | 5 |