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我国西部地区土地辽阔、水资源稀缺的基本特征，既构成了这一地区极为脆弱的生态环境基础，又使水资源成为该地区最具有战略意义的资源。因此，能否摆脱水资源短缺的制约，是实施西部大开发战略的极为重要的内容。
The basic characteristics of vast land and scarce water resources in the western region of our country not only constitute the extremely fragile ecological and environmental foundation in this region, but also make water resources one of the most strategic resources in the region. Therefore, whether we can get out of the constraints of water shortage is an extremely important part of implementing the strategy for the great development of the western region.