 |
| 粗筛: 93 phrases in 15 subjects |
| Agriculture | 4 |
| Animal husbandry | 14 |
| Business | 1 |
| Chemical fibers | 1 |
| Chemistry | 2 |
| Drilling | 3 |
| Ecology | 1 |
| Electronics | 1 |
| Engineering geology | 1 |
| Forestry | 1 |
| General | 4 |
| Hydroelectric power stations | 4 |
| Metallurgy | 6 |
| Oil / petroleum | 2 |
| Technology | 48 |