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| 21. | dryland(s) management: The management of arid and semi-arid areas. |
| 旱地管理:指对干旱和半干旱地区的管理。 |
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| 22. | arid region karst |
| 干旱区岩溶 |
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| 23. | An arid climate. |
| 干旱的气候 |
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| 24. | impingement drying |
| 冲击干燥|穿透干燥 |
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| 25. | temperate arid climate |
| 温带乾燥气候 |
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| 26. | Ecological Management of Arid and Semi-Arid Range land Programme |
| 干旱和半干旱牧地生态管理方案 |
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| 27. | Arid land ecosystems |
| 干旱地区生态系统 |
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| 28. | International Programme on Ecological Management of Arid and Semi-Arid Rangelands |
| 干旱和半干旱牧场生态管理国际方案 |
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| 29. | arid region hydrology |
| 干旱区水文 |
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| 30. | expansion drying |
| 膨胀干燥|闪蒸干燥 |
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