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rate method (储量计算) |
速 率法 : 30 phrases in 14 subjects |
Air defense | 1 |
Automobiles | 1 |
Chemistry | 2 |
Electronics | 6 |
Finances | 1 |
Geology | 1 |
Information technology | 2 |
International trade | 1 |
Metallurgy | 3 |
Oil / petroleum | 2 |
Physics | 1 |
Polymers | 2 |
Space | 3 |
Technology | 4 |