Grey system theory is introduced into the multi-attribute fuzzy optimal selection of design scheme, the fuzzy optimal selection model is formed based on the grey relational analysis.
将灰色系统理论引入设计方案的多属性模糊优选，形成基于灰色关联分析的模糊优选模型。
2
Three important conceptions-function dependence, normalization and dissolution of data scheme-are analysed. Their directive action for design of relational data model is pointed out as well.