 |
| 最低 位: 179 phrases in 29 subjects |
| Animal husbandry | 1 |
| Automobiles | 9 |
| Aviation | 1 |
| Baseball | 1 |
| Bridge construction | 7 |
| Business | 1 |
| Chemistry | 1 |
| Commerce | 1 |
| Computers | 2 |
| Desert science | 9 |
| Drilling | 1 |
| Earth sciences | 4 |
| Electric machinery | 3 |
| Electronics | 6 |
| Engineering geology | 3 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Hydroelectric power stations | 15 |
| Hydrology | 1 |
| Information technology | 2 |
| Mathematics | 1 |
| Metallurgy | 2 |
| Navigation | 4 |
| Oil / petroleum | 5 |
| Space | 1 |
| Steel production | 1 |
| Technology | 88 |
| Telecommunications | 4 |
| Textile industry | 1 |
| United Nations | 3 |