 |
| 层 流: 1073 phrases in 60 subjects |
| Agriculture | 27 |
| Air defense | 13 |
| Animal husbandry | 1 |
| Architecture | 6 |
| Automobiles | 8 |
| Aviation | 48 |
| Biotechnology | 4 |
| Bridge construction | 7 |
| Business | 2 |
| Cartography | 1 |
| Chemistry | 9 |
| China | 1 |
| Communications | 3 |
| Compressors | 2 |
| Computer networks | 1 |
| Construction | 1 |
| Desert science | 11 |
| Drilling | 14 |
| Earth sciences | 30 |
| Ecology | 14 |
| Economy | 1 |
| Electronics | 38 |
| Engineering geology | 37 |
| Environment | 9 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 34 |
| Genetics | 2 |
| Geology | 1 |
| Geophysics | 1 |
| Hydraulics | 4 |
| Hydroelectric power stations | 29 |
| Hydrology | 1 |
| Information technology | 6 |
| Latin | 1 |
| Metallurgy | 45 |
| Mining | 9 |
| Multimedia | 1 |
| Nanotechnology | 1 |
| Nautical | 1 |
| Navigation | 3 |
| Nursing | 1 |
| Oil / petroleum | 81 |
| Oil processing plants | 1 |
| Plastics | 2 |
| Polymers | 1 |
| Project management | 2 |
| Rail transport | 3 |
| Refrigeration | 9 |
| Shipbuilding | 2 |
| Skydiving | 1 |
| Space | 73 |
| Steel production | 1 |
| Surgery | 1 |
| Swimming | 1 |
| Technology | 371 |
| Telecommunications | 12 |
| Thermal Energy | 1 |
| United Nations | 2 |
| Water resources | 4 |
| Wind Energy | 76 |