bn:02240086n
Noun Concept
JA
正十二面体群  20面体対称性  正二十面体対称性  正二十面体的対称性  正二十面体的対称性#群の構造
EN
In mathematics, and especially in geometry, an object has icosahedral symmetry if it has the same symmetries as a regular icosahedron. Wikipedia
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