圆锥曲线的名称由来：截面与展开的几何演示
2020-04-10 17:32
本 GeoGebra 范例通过三维几何构造，直观演示了圆锥曲线（椭圆、抛物线、双曲线）的名称由来。通过平面截割圆锥体，展示不同倾斜角度下截口曲线的形状变化，并结合 IntersectPath 等命令动态呈现截面与圆锥的交线。该课件有助于学生从立体几何过渡到解析几何，深刻理解圆锥曲线的几何本质与定义，是高中数学圆锥曲线章节的优质导入素材。
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QQ：319774699
QQ群：217440999""/>
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