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| world environment | |||
| 世界环境: 48 phrases in 11 subjects |
| Desert science | 4 |
| Earth sciences | 7 |
| Ecology | 2 |
| Electronics | 1 |
| Environment | 1 |
| General | 3 |
| Information technology | 1 |
| Name of organization | 8 |
| Project management | 1 |
| Technology | 4 |
| United Nations | 16 |
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