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形 曲 线 : 335 phrases in 49 subjects |
| Agriculture | 10 |
| Air defense | 2 |
| Animal husbandry | 1 |
| Architecture | 7 |
| Artificial intelligence | 2 |
| Astronomy | 2 |
| Automobiles | 3 |
| Aviation | 4 |
| Bridge construction | 12 |
| Business | 9 |
| Chemistry | 8 |
| Compressors | 1 |
| Construction | 5 |
| Desert science | 1 |
| Drilling | 4 |
| Economics | 7 |
| Electric machinery | 3 |
| Electricity | 1 |
| Electronics | 6 |
| Engineering geology | 3 |
| Explosives and Explosive Ordnance Disposal | 3 |
| Figure skating | 1 |
| Finances | 1 |
| General | 6 |
| Genetics | 2 |
| Geophysics | 4 |
| Gymnastics | 1 |
| Hydraulics | 1 |
| Hydroelectric power stations | 3 |
| Information technology | 1 |
| International Monetary Fund | 4 |
| Mathematics | 2 |
| Metallurgy | 16 |
| Nautical | 5 |
| Oil / petroleum | 9 |
| Plastics | 6 |
| Polymers | 4 |
| Quality control and standards | 1 |
| Rail transport | 3 |
| Refrigeration | 1 |
| Scientific | 1 |
| Securities | 3 |
| Space | 8 |
| Statistics | 3 |
| Technology | 126 |
| Telecommunications | 2 |
| Textile industry | 25 |
| Water resources | 1 |
| Wind Energy | 1 |
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