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physical and chemical environment; physico-chemical environment |
理化 环 境 : 17 phrases in 8 subjects |
Earth sciences | 2 |
Ecology | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 1 |
Geology | 2 |
Technology | 6 |
United Nations | 3 |
Water resources | 1 |