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| 中径: 177 phrases in 33 subjects |
| Advertising | 1 |
| Agriculture | 6 |
| Animal husbandry | 1 |
| Architecture | 3 |
| Athletics | 1 |
| Automobiles | 5 |
| Aviation | 7 |
| Bridge construction | 4 |
| Chemistry | 3 |
| Desert science | 4 |
| Drilling | 3 |
| Earth sciences | 7 |
| Economy | 1 |
| Electric machinery | 1 |
| Electronics | 2 |
| Engineering geology | 2 |
| Entomology | 1 |
| Explosives and Explosive Ordnance Disposal | 3 |
| General | 4 |
| Geophysics | 16 |
| Hydroelectric power stations | 1 |
| Metallurgy | 9 |
| Nuclear physics | 2 |
| Oil / petroleum | 7 |
| Oil processing plants | 3 |
| Otorhinolaryngology | 3 |
| Plastics | 1 |
| Soil science | 1 |
| Space | 1 |
| Sports | 12 |
| Technology | 56 |
| United Nations | 1 |
| Wind Energy | 5 |
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