| 1. | 1 . can you make a big sphere from regular pentagons and regular hexagons 1 .你能否利用正五边形和正六边形制作一个大球体吗? |
| 2. | The pattern on a football is formed by 12 regular pentagons and 20 regular hexagons 足球便是由十二个正五边形和二十个正六边形组成。 |
| 3. | The pattern on a football is formed by 12 regular pentagons and 20 regular hexagons 足球便是由十二个正五边形和二十个正六边形组成。 |
| 4. | The influence of side length value of regular hexagon on compression characteristics of honeycomb paperboard core was discussed 摘要提出了蜂窝纸芯正六边形边长值对压缩性能的影响。 |
| 5. | A kaleidoscope creates stunning visual effects by reflecting the edges of the mirrors and the space enclosed between them repeatedly . mirrors arranged in an equilateral triangle , a square or a regular hexagon behave in a similar manner 万花筒将旁边的三角形平面及相关的空间利用镜子不断重覆,有此功能的镜子组合包括三角形正方形和正六边形等。 |
| 6. | Its vertices are located at all points of the form ( i1 , i2 ) or each vertex has six neighbors . the six neighbors of the vertex v are the set of vertices the set of edges e the model of the hexagonal lattice the usual way to imbed the hexagonal lattice is such that its face are regular hexagons . the vertices are the points . the origin is in the center of one of the hexagons and the periods are ( , 0 ) and ( 0 , 3 ) 顶点集合为为整数边的集合为相邻}正六边形点格模型为:平面是由正六边形点格组成,它的顶点坐标为其中,原点在一个正六边形的中心,周期为( 3 ~ ( 1 / 2 ) , 0 )和( 0 , 3 )我们可以把它在竖直方向压缩1 3 ~ ( 1 / 2 )倍使它成为周期图。 |