解决这类问题最有效的工具就是模糊理论和层次分析法，因此，本文采用层次模糊决策模型来解决此问题。
The valid tool to solve this type of problem is the fuzzy theory and level analytic method. Therefore, this paper USES level fuzzy decision model to solve it.
本文提出了一种建立面向对象数据库中模糊类层次模型的方法。
This paper presents an approach to establishing fuzzy class hierarchy model in object-oriented database.
在分析系统结构指标体系的基础上，建立了道路交叉口系统模糊层次评价模型。
In the structure of the index system, based on a vague road junction system level evaluation model.
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