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bn:12404769n
Noun Concept
SYL
No term available
ZH
在幾何學中，雙四角錐是指以四邊形做為基底的雙錐體，由於雙錐體是由二個錐體疊起來的，因此不存在底面，因此只能討論其基底之形狀。 Wikipedia
Relations
Sources
IS A
EN
octahedron
EN
bipyramid
HAS KIND
EN
regular octahedron
BASE
EN
quadrilateral
DUAL TO
EN
quadrilateral prism
HAS PARTS OF THE CLASS
EN
boundary
EN
side
EN
vertex

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