geodesic polygon

例句：

1. 1. The geodesic dome is a unique architectural feature of the city.
   正多面体穹顶是该市独特的建筑特征。
2. 2. The geodesic triangle is a classic example of a regular polygon.
   正三角形是规则多边形的经典例子。
3. 3. The geodesic sphere is a mathematically fascinating object that has been studied for centuries.
   正球体是数学上引人入胜的对象，数百年来一直受到研究。