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| 环境规划 | |||
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Environmental Projects : 28 phrases in 11 subjects |
| Aviation | 2 |
| Earth sciences | 5 |
| Ecology | 2 |
| Explosives and Explosive Ordnance Disposal | 2 |
| Hydrology | 1 |
| Life sciences | 1 |
| Scientific | 1 |
| Technology | 7 |
| United Nations | 5 |
| United States | 1 |
| Water resources | 1 |