材料分类 meaning in Chinese

classes of materials
materials classification

The necessary method of study is to group the relevant materials and to take note of all possible variant forms and conditions .
必要的研究办法是把有关的材料分类集合在一起，并注意到所有可能的不同的形式和条件。
Classification and designation for powder metallurgy materials
粉末冶金材料分类和牌号表示方法
Classification system for polyketone injection and extrusion materials
聚酮喷塑和压塑材料分类制度
Standard classification system for rubber products in automotive application
汽车用橡胶材料分类系统
Contact lenses - method of classifying contact lens materials
隐形眼镜.第2部分:隐形眼镜片材料分类方法

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