 |
| 环境因素: 53 phrases in 19 subjects |
| Agriculture | 4 |
| Animal husbandry | 2 |
| Business | 2 |
| Chemistry | 1 |
| Commerce | 1 |
| Earth sciences | 4 |
| Ecology | 6 |
| Engineering geology | 1 |
| Environment | 1 |
| Explosives and Explosive Ordnance Disposal | 2 |
| General | 1 |
| Horticulture | 1 |
| Marketing | 1 |
| Nautical | 1 |
| Oil / petroleum | 1 |
| Space | 3 |
| Technology | 14 |
| United Nations | 5 |
| Water resources | 2 |