同时基于模糊偏好关系来确定各指标的权重，由此建立多目标优化模型。
Meanwhile, based upon fuzzy preference, a multi-objective optimization model was established, by which the decision maker can decide the weights of different objectives.
在模糊偏好关系的基础上建立选择函数，其困难在于难以确定模糊偏好关系的传递性。
A choice function is made on the basis of fuzzy relations of preference. It is difficult to get transitivity properties of fuzzy preferences.
利用隶属函数来表达决策参与者的模糊偏好，将个人偏好集成为群偏好，根据模糊偏好关系空间距离来研究决策制定。
The fuzzy favorite of decision participant is expressed by means of subject function, and the decision-making is studied according to the space distance of fuzzy favorite relations.
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