圆锥曲线的第二定义与轨迹构造
2019-11-12 10:53
本GeoGebra范例演示了圆锥曲线的第二定义（焦点-准线性质）。通过构造焦点、准线以及动点到焦点和准线的距离比例（离心率），利用轨迹命令（Locus）动态生成椭圆、抛物线或双曲线。该模型直观展示了圆锥曲线的几何本质及离心率对曲线形状的影响，适合解析几何与圆锥曲线教学使用。
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