【摘要】 提出多方案供水工程经济效益分析计算方法，对经济效果指标计算内容作了补充，并导出了相应的计算公式。例举的工程实例资料丰富可靠，分析计算严谨详细。更多还原

【Abstract】 A calculation method for the analysis of economical benefits of differentwater supply project schemes is presented.The economical effect quotas are supplemented with additional contents. Corresponding calculation formula is derived. Thegiven example project shows abundant and reliable informations. Both the analysisand calculation are rigorous and in great detail.更多还原