抛物线第一定义几何构造与轨迹演示
2019-07-31 02:55
本 GeoGebra 范例通过几何作图动态演示抛物线的第一定义。构造包含焦点 F 和准线 L，利用垂直平分线（LineBisector）和垂线（OrthogonalLine）的交点生成轨迹（Locus），直观展示抛物线上任意一点到焦点与准线距离相等的几何性质。同时结合了圆、线段等辅助元素，帮助学习者深入理解圆锥曲线中抛物线的核心概念与轨迹生成过程。
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