 |
| 安定性: 151 phrases in 21 subjects |
| Architecture | 5 |
| Automobiles | 1 |
| Aviation | 20 |
| Business | 1 |
| Chemistry | 2 |
| China | 2 |
| Construction | 2 |
| Ecology | 1 |
| Electronics | 3 |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 4 |
| Hydroelectric power stations | 4 |
| Metallurgy | 1 |
| Oil / petroleum | 27 |
| Oil processing plants | 5 |
| Rail transport | 2 |
| Space | 14 |
| Technology | 52 |
| Telecommunications | 1 |
| United Nations | 2 |