正六面体(regular hexahedron): 其实就是我们所说的立方… 显示全部
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regular hexahedron group 正六面体群
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This paper tries to generalize the throwing objects from the one dimension pin to the convex curve in two dimension, and even the three dimensional regular tetrahedron and regular hexahedron .
在蒲丰投针问题的基础上，把投掷物由一维的针推广到二维的凸曲线，三维的正四面体、正六面体；
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