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《水利经济计算规范》对城市工业供水效益计算方法作了一般原则上的规定。由于在水利经济计算中,城市工业供水效益的计算方法尚未成熟,不同的计算方法从不同的角度反映了工程的供水效益。而不同的算法有其不同的适用条件及不足之处,计算成果之间往往存在一定的差异。在西线南水北调工程经济效益分析工作中,根据个人学习体会,初步考虑了四种计算城市工业供水效益的计算方法,並提出在实际应用中应注意的问题,供探讨商榷。
The “Code of Economic Calculation of Water Conservancy” provides general principles in principle for the calculation of urban industrial water supply benefits. Because in the calculation of water conservancy economy, urban industrial water supply efficiency calculation method is not yet mature, different calculation methods from different angles reflect the project’s water supply benefits. However, different algorithms have different conditions and shortcomings, and there are often some discrepancies between the calculated results. In the analysis of the economic benefits of the western route of South-North Water Diversion Project, based on the personal learning experience, four methods for calculating the industrial water supply benefit are first considered and the problems that should be paid attention to in practical application are put forward for discussion.