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・ 3-(p-Fluorobenzoyloxy)tropane
・ 3-(Trifluoromethyl)aniline
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・ 3-2-1, Rattle Battle!
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3-4-6-12 tiling
・ 3-5-8
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・ 3-6-3 Rule
・ 3-7 kisrhombille
・ 3-7-77
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・ 3-Acetyl-6-methoxybenzaldehyde
・ 3-Acetyloxymorphone
・ 3-aci-nitropropanoate oxidase
・ 3-Alkylpyridinium
・ 3-Allylfentanyl
・ 3-alpha,7-alpha-dihydroxy-5-beta-cholestanate—CoA ligase
・ 3-alpha-HSD
・ 3-Amino-1,2,4-triazole


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3-4-6-12 tiling : ウィキペディア英語版
3-4-6-12 tiling

In geometry of the Euclidean plane, the 3-4-6-12 tiling is one of 20 2-uniform tilings of the Euclidean plane by regular polygons, containing regular triangles, squares, hexagons and dodecagons, arranged in two vertex configuration: 3.4.6.4 and 4.6.12.〔Critchlow, p.62-67〕〔Grünbaum and Shephard 1986, pp. 65-67〕〔(In Search of Demiregular Tilings ) #4〕〔Chavey (1989)〕
It has hexagonal symmetry, p6m, (), (
*632). It is also called a demiregular tiling by some authors.
== Geometry==
Its two vertex configurations are shared with two 1-uniform tilings:
It can be seen as a type of diminished rhombitrihexagonal tiling, with dodecagons replacing periodic sets of hexagons and surrounding squares and triangles. This is similar to the Johnson solid, a diminished rhombicosidodecahedron, which is a rhombicosidodecahedron with faces removed, leading to new decagonal faces.
: 160px

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