The division of city hierarchical structure is a multi-index classification problem.
城市规模等级结构的划分是一个多指标的分类问题。
The optimum preparation conditions were selected with orthogonal design combined with multi-index test.
通过正交实验结合多指标综合评价法优选最佳制备工艺。
Establish the fuzzy matter element assessment model of green products with multi-index performance parameters of products.
建立了产品多指标性能参数的绿色产品模糊物元评价方法模型。
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