基于范数概念，给出了范数灰关联度及其性质。
Norm gray relational grade (NGRG) is put forward based on the conception of norm, and its properties are discussed.
利用范数灰关联度方法，分析了影响矿料间隙率(VMA)破坏的因素。
With the norm gray relational grade analytical method, this paper analyses the factors that influence the VMA-voids in the mineral aggregate-collapse.
利用范数灰关联度方法，分析了影响矿料间隙率(VMA)破坏的因素。
With the norm gray relational grade analytical method, this paper analyses the factors that influence the VMA-voids in the mineral aggregate-collapse.
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