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分布 函数: 176 phrases in 26 subjects |
Air defense | 3 |
Aviation | 2 |
Bridge construction | 2 |
Business | 17 |
Cartography | 1 |
Chemistry | 7 |
Earth sciences | 13 |
Ecology | 2 |
Electric machinery | 1 |
Electronics | 24 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 1 |
Geophysics | 2 |
Hydroelectric power stations | 2 |
Information technology | 1 |
Mathematics | 9 |
Metallurgy | 2 |
Oil / petroleum | 4 |
Plastics | 3 |
Polymers | 9 |
Space | 8 |
Statistics | 1 |
Technology | 57 |
Telecommunications | 1 |
Water resources | 1 |
Wind Energy | 2 |