1. 水资源耗减核水环境降级是绿色国民经济核算中非常重要的一个环节，因此，研究基于水的这两方面的损失对完善现有的绿色国民经济核算体系具有很重要的现实意义。
Depletion of water resource and water environment is downgraded green national accounts which are very important. Therefore, improving the existing of green national economic accounting system based on these two aspects shows a very important practical significance.