 |
| 粒 级: 433 phrases in 31 subjects |
| Agriculture | 5 |
| Animal husbandry | 4 |
| Architecture | 2 |
| Automobiles | 2 |
| Aviation | 2 |
| Biochemistry | 1 |
| Bridge construction | 9 |
| Chemistry | 2 |
| Construction | 1 |
| Dermatology | 1 |
| Desert science | 41 |
| Drilling | 1 |
| Earth sciences | 2 |
| Ecology | 6 |
| Electronics | 13 |
| Engineering geology | 27 |
| Explosives and Explosive Ordnance Disposal | 14 |
| General | 18 |
| Geology | 1 |
| Hydroelectric power stations | 12 |
| Metallurgy | 37 |
| Oil / petroleum | 27 |
| Physics | 1 |
| Rail transport | 1 |
| Refrigeration | 1 |
| Soil science | 10 |
| Space | 7 |
| Technology | 182 |
| Telecommunications | 1 |
| Water resources | 1 |
| Wind Energy | 1 |