冲突分析图模型中强度偏好的引入增加了决策者的感情色彩，进一步丰富了决策者的偏好信息。在强度偏好下运用冲突分析图模型理论对冲突进行建模时，有一个非常重要的问题——强度偏好的排序。本研究首先将简单偏好下的策略优先权排序法扩展到强度偏好；然后以"兰州水污染事件"为例，在兰州威立雅水务公司、地方政府和中石化兰州分公司存在强度偏好的情况下，运用扩展后的策略优先权排序法求取各决策者的强度偏好序列，并对此次水污染事件引发的冲突进行建模、分析，模拟了冲突事件中的谈判和协商过程，求得冲突各方的均衡解，案例分析过程也从战略层面为我国实现经济的可持续发展提供借鉴。
Strength of preference is incorporated into the graph model for conflict resolution (GMCR) to enhance intensity of relative preference. It is very important to obtain a ranking of strength of preference based on option prioritization for modeling module. The option prioritization approach for simple preference is extended to strength of preference in this paper. The proposed approach is employed to the "Water Pollution Conflict in Lanzhou" in which there are three decision makers with strength of preference. The conflict model is established and then the process of this conflict's negotiations and consultations is simulated. Finally, the equilibria of this model are obtained using the decision support system based on GMCR. The results from this research provide a valuable view for the sustainable development of China's economy.
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