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| 保护区 | |||
| 资源保护区; 保存区 | |||
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conservation zone : 12 phrases in 8 subjects |
| Desert science | 1 |
| Earth sciences | 1 |
| Ecology | 2 |
| Economy | 1 |
| International trade | 1 |
| Nautical | 2 |
| Technology | 3 |
| Water resources | 1 |
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