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活性度
eng.geol. activity
tech. activity degree
活性度: 63 phrases in 20 subjects
Agriculture6
Animal husbandry1
Architecture1
Chemistry3
Dermatology1
Earth sciences2
Ecology2
Electronics6
Engineering geology3
Geology1
Hydroelectric power stations1
Information technology1
Nautical1
Nuclear and fusion power2
Nuclear physics3
Oil / petroleum5
Oil processing plants1
Space2
Technology17
Water resources4