层矩阵
Microstructure investigation showed that the zirconia and impurity phases were dispersed in the BN layer matrix.
显微结构分析表明,氧化锆和杂质相镶嵌在氮化硼层状基质中.
The path layer matrix is closely related to graph isomorphism.
图的路径层矩阵与图的同构问题密切相关.
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