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| 用力: 1019 phrases in 54 subjects |
| Aerodynamics | 1 |
| Armored vehicles | 1 |
| Astronautics | 3 |
| Automobiles | 1 |
| Aviation | 11 |
| Ballistics | 1 |
| Biology | 3 |
| Bridge construction | 1 |
| Business | 11 |
| Chemistry | 2 |
| Commerce | 1 |
| Construction | 8 |
| Corporate governance | 2 |
| Drilling | 3 |
| Economy | 6 |
| Education | 8 |
| Electrical engineering | 1 |
| Electronics | 53 |
| Environment | 2 |
| Finances | 1 |
| Fishery fishing industry | 2 |
| Food service and catering | 2 |
| Forestry | 1 |
| General | 392 |
| Geology | 32 |
| Helicopters | 1 |
| Informal | 3 |
| International Monetary Fund | 4 |
| Jet engines | 2 |
| Latin | 1 |
| Law | 9 |
| Linguistics | 1 |
| Mechanic engineering | 2 |
| Medical | 11 |
| Metallurgy | 1 |
| Military | 14 |
| Nautical | 2 |
| Navy | 1 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 6 |
| Oil processing plants | 24 |
| Oilfields | 1 |
| Physics | 4 |
| Production | 1 |
| Rail transport | 1 |
| Seismology | 1 |
| Shipbuilding | 2 |
| Space | 5 |
| Technology | 361 |
| United Nations | 6 |
| United States | 1 |
| Volleyball | 1 |
| Water supply | 2 |
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