呼拉圈：圆、平移与黎曼和的几何演示
2014-02-01 18:49
本范例以“呼拉圈”为直观模型，演示圆、平移、周长以及微积分中的黎曼和概念。通过构造圆与直线的交点，结合三角形的几何性质，探讨圆的周长计算及其与黎曼和的内在联系。利用平移变换，动态展示曲线分割与逼近过程，帮助学习者直观理解微积分中黎曼和逼近连续量的核心思想。
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