六方菱形四分面体类
hexagonal rhobohedral tetartohedral class
hexagonal rhombohedral tetartohedral class
菱形四分面像
rhombohedral tetartohedry
rhombohedral tetartohedrism
菱形四分面像类
rhombohedral tetartohedral class
六方偏方四分面体类
hexagonal trapezohedral tetartohedral(trigonal trapezohedral)class
trigonal trapezohedral class
hexagonal trapezohedral tetartohedral class
立体四面体剖分图
solid tetrahedron subdivision graph
三方四分面类
trigonal tetartohedral class