Based on matrix multiplication,the third symmetric operation,which is equivalent to the product of different symmetric operations,was deduced in this paper.Furthermore,it was proposed how the group containing different symmetric elements can be derived from the direct product of its subgroups.At the same time,the new symmetric elements can be derived from the multiplication of its group elements.
关键词
对称操作/对称元素/群的直积/对称操作相乘
Key words
Symmetric operation/Symmetric elements/The direct product of a group/Symmetric operation multiplication
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