 |
| 粒径: 503 phrases in 29 subjects |
| Agriculture | 7 |
| Architecture | 9 |
| Aviation | 5 |
| Bridge construction | 33 |
| Construction | 2 |
| Desert science | 18 |
| Drilling | 2 |
| Earth sciences | 7 |
| Ecology | 6 |
| Electronics | 11 |
| Engineering geology | 42 |
| Environment | 1 |
| Explosives and Explosive Ordnance Disposal | 5 |
| General | 7 |
| Geology | 4 |
| Hydroelectric power stations | 34 |
| Metallurgy | 17 |
| Oil / petroleum | 11 |
| Oil processing plants | 1 |
| Plastics | 5 |
| Polymers | 2 |
| Rail transport | 2 |
| Refrigeration | 1 |
| Soil science | 2 |
| Space | 2 |
| Technology | 255 |
| Textile industry | 1 |
| Water resources | 5 |
| Wind Energy | 6 |