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控制区 : 344 phrases in 39 subjects |
| Agriculture | 4 |
| Air defense | 8 |
| Automobiles | 11 |
| Aviation | 59 |
| Business | 2 |
| Chemistry | 1 |
| China | 3 |
| Climatology | 1 |
| Communications | 1 |
| Computers | 1 |
| Cryptography | 1 |
| Earth sciences | 11 |
| Ecology | 3 |
| Economy | 1 |
| Electronics | 65 |
| Environment | 4 |
| Explosives and Explosive Ordnance Disposal | 4 |
| Finances | 1 |
| General | 5 |
| Genetics | 6 |
| Hydroelectric power stations | 2 |
| Information technology | 13 |
| Logistics | 2 |
| Metallurgy | 9 |
| Multimedia | 1 |
| Nautical | 5 |
| Navigation | 2 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 1 |
| Oil processing plants | 1 |
| Project management | 1 |
| Rail transport | 2 |
| Refrigeration | 10 |
| Space | 21 |
| Technology | 71 |
| Telecommunications | 3 |
| United Nations | 2 |
| United States | 2 |
| Water resources | 3 |
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