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数据采集系统 : 235 phrases in 27 subjects |
Air defense | 1 |
Automobiles | 1 |
Aviation | 46 |
Business | 2 |
Cryptography | 1 |
Desert science | 2 |
Drilling | 2 |
Earth sciences | 45 |
Electronics | 46 |
Engineering geology | 1 |
General | 1 |
Geology | 1 |
Geophysics | 17 |
Hydroelectric power stations | 2 |
Information technology | 5 |
Metallurgy | 1 |
Navigation | 3 |
Nuclear and fusion power | 1 |
Oil / petroleum | 5 |
Oil processing plants | 1 |
Rail transport | 1 |
Shipbuilding | 2 |
Space | 33 |
Technology | 10 |
United States | 1 |
Water resources | 2 |
Wind Energy | 2 |