 |
| 控制方式: 86 phrases in 23 subjects |
| Agriculture | 2 |
| Automobiles | 5 |
| Aviation | 3 |
| Business | 2 |
| Communications | 5 |
| Computer networks | 1 |
| Electric machinery | 1 |
| Electronics | 8 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Geophysics | 1 |
| Hydroelectric power stations | 2 |
| Information technology | 7 |
| Mechanics | 1 |
| Metallurgy | 2 |
| Nautical | 1 |
| Rail transport | 2 |
| Shipbuilding | 1 |
| Space | 5 |
| Steel production | 1 |
| Technology | 24 |
| Telecommunications | 8 |
| United Nations | 2 |
| Wind Energy | 1 |