圆锥截痕：平面与圆锥的交线演示
2020-07-29 10:48
本 GeoGebra 范例演示了圆锥截痕（Conic Sections）的几何构造。通过调整平面与无限圆锥的相对位置与角度，动态展示平面截割圆锥所产生的不同交线（如圆、椭圆、抛物线、双曲线）。使用了 InfiniteCone 和 IntersectPath 等命令，直观呈现立体几何中截面形状的变化规律，适合用于解析几何与立体几何的教学与探索。
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