 |
| 发火: 1485 phrases in 41 subjects |
| Artillery | 1 |
| Astronautics | 43 |
| Automobiles | 9 |
| Aviation | 38 |
| Business | 1 |
| Cables and cable production | 1 |
| Chemistry | 2 |
| Chinese | 1 |
| Construction | 1 |
| Drilling | 1 |
| Ecology | 1 |
| Economy | 1 |
| Education | 1 |
| Electrical engineering | 1 |
| Electricity | 1 |
| Electronics | 34 |
| Environment | 2 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Firefighting and fire-control systems | 1 |
| Forestry | 3 |
| General | 310 |
| Geology | 15 |
| Metallurgy | 1 |
| Military | 90 |
| Mining | 1 |
| Missiles | 10 |
| Nautical | 3 |
| Navy | 2 |
| Oceanography & oceanology | 2 |
| Oil / petroleum | 5 |
| Oil and gas | 2 |
| Oil processing plants | 10 |
| Oilfields | 1 |
| Radio | 1 |
| Solar power | 2 |
| Space | 7 |
| Technology | 873 |
| Thermodynamics | 2 |
| Volcanology | 2 |
| Weapons and gunsmithing | 1 |
| Welding | 1 |