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动力系数 : 116 phrases in 25 subjects |
Agriculture | 1 |
Automobiles | 4 |
Aviation | 6 |
Bridge construction | 5 |
Business | 1 |
Chemistry | 1 |
Earth sciences | 2 |
Electric machinery | 1 |
Electronics | 2 |
Engineering geology | 8 |
Explosives and Explosive Ordnance Disposal | 3 |
Geophysics | 1 |
Hydroelectric power stations | 4 |
Mechanics | 1 |
Nautical | 3 |
Oil / petroleum | 2 |
Rail transport | 2 |
Refrigeration | 1 |
Skydiving | 1 |
Soil science | 1 |
Space | 3 |
Sports | 3 |
Technology | 54 |
Water resources | 1 |
Wind Energy | 5 |