大中型水库建设规模的方案选择,是一个非常复杂的问题。它涉及经济、社会、环境、技术等各个方面。其中有许多因素是难以定量计算的,它具有模糊性质。以往决策水库规模方案时,着重于按照《水利经济计算规范SD139-85》(以下简称《规范》)进行经济计算,确定各方案的经济效益衡量指标,然后将它和其它制 Large and medium-sized reservoir construction scale program options, is a very complex issue. It involves economic, social, environmental, technical and other aspects. Many of these factors are difficult to quantify and have fuzzy properties. In the past, when planning the scale of reservoirs, the economic calculation was made in accordance with “Water Economy Calculation Specification SD139-85” (hereinafter referred to as the “Regulation”), and the economic benefit measure of each plan was determined. Then, it was compared with other systems