[ 复数 pentagons ]
Moveover, the spherical pentagon packing problem for 72 pentagons is a mathematical problem.
而且,72个五边形的球面包裹问题是一个有待解决的数学难题。
参考来源 - 多面体及其链环对偶性质的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
N-COUNT A pentagon is a shape with five sides. 五边形; 五角形
Just looking at Penroses pattern, one sees plenty of pentagons and decagons.
看一看彭罗斯图案，你就可以发现此中有很多五边形和十边形。
I mean a good example of that is if you look at those geodesic things, for example, it's made of all these hexagons and pentagons.
这是很好的例子，如果你几何地来理解那些概念的话，它由五边形和六边形拼成。
The equilateral triangles influenced the children's size perception first, the exact squares secondly, the regular pentagons last.
正三角形对儿童大小知觉的影响最大，正方形次之，正五边形最小。
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