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能量系数 |
energy coefficient : 48 phrases in 14 subjects |
Aviation | 8 |
Desert science | 2 |
Earth sciences | 3 |
Ecology | 2 |
Electronics | 5 |
Engineering geology | 2 |
General | 1 |
Geophysics | 1 |
Metallurgy | 2 |
Nuclear physics | 1 |
Oil / petroleum | 3 |
Space | 2 |
Sports | 1 |
Technology | 15 |