四球堆叠的四面体结构
2019-02-15 13:47
本GeoGebra范例演示四个球体在三维空间中以正四面体方式堆叠的几何结构。通过Sphere和Tetrahedron命令构建球体与四面体，展示球心之间的空间关系、四面体各面（faceBCD、faceCDE等）与棱（edgeBC、edgeCD等）的构造，以及球体间的相切接触关系。适用于立体几何中球体堆积、空间对称性及三维坐标关系的可视化教学与探究。
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