| 1. | Groundwater has very important eco - value in arid and semi - arid regions
摘要干旱半干旱地区地下水具有重要的生态价值。 |
| 2. | Study on the eco - environment index of groundwater in inland arid and semi - arid basins
内陆干旱半干旱盆地地下水生态环境指标研究 |
| 3. | Analysis of recycling and reuse of water resources in the water - deficient region of western china
西部干旱半干旱地区水资源再生利用分析 |
| 4. | The population distribution and economic development in arid amp; semi - arid area of northwest of china
我国西部干旱半干旱地区人口分布与经济发展 |
| 5. | Studies on regulating function of forest hydrology and microclimate in arid and semi - arid area of west china
干旱半干旱区山地森林的水分调节功能 |
| 6. | Located in an arid and semi - arid area , ningxia is one of the weakest ecological systems in china
宁夏地处干旱半干旱地带，是全国生态系统最脆弱的省区之一。 |
| 7. | Landscape structure adjustment and the sustainable utilization of water resources in arid and semi - arid region
景观结构调整和干旱半干旱区水资源的可持续利用 |
| 8. | Water - saved irrigation - an reasonable way to establishing artificial grassland in arid and semi - arid pastoral area
发展节水灌溉是我国干旱半干旱草原区人工草地建设的必然举措 |
| 9. | The develop of the ditcher has become a new approach to solve agricultural drought in northwest area
该机具的开发研制将成为干旱半干旱地区特别是我国西北地区解决农业干旱问题的新途径。 |
| 10. | Research on construction of optimized agro - grassland ecological system of farming - pastoral transitional area in arid and semiarid region
干旱半干旱农牧交错区优化草地生态农业体系建设研究 |
