椭圆的几何性质
2017-11-09 04:57
本范例演示椭圆的几何性质，包括通过圆锥与平面的交线构造椭圆、椭圆的焦点与准线关系、切线与法线性质等。利用轨迹命令展示椭圆的定义，并通过角平分线、正交线、镜像等工具探索椭圆的反射性质与对称性，适合解析几何与立体几何的教学演示。
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