线段上分点轨迹（椭圆）
2013-06-03 06:37
本范例演示了线段上特定分点在运动过程中所形成的轨迹。通过调整线段端点或分点参数，可以直观地观察到这些分点的集合构成一个椭圆。该范例结合了解析几何与几何作图，帮助理解椭圆作为轨迹的几何生成原理及其参数方程的几何意义。
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