英汉例句双语例句For each class, the first step was to build the multi-criteria classification optimization model through reference set and preference relationship.对于每一分类，首先通过训练集和偏好关系，建立一类二次偏好聚合函数的多准则分类优化模型；multi-criteria classification更多例句词组短语短语multi -criteria classification decision-making 多准则分类决策multi-criteria classification更多词组