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折线逼近曲线

2009-08-17 20:56:39| 分类：高等数学图形动画 | 标签： |举报 |字号大中小订阅

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折线逼近曲线

在定义曲线的弧长时，我们是用曲线的 n 段割线的长度之和去逼近曲线的弧长。

以下动画形象地演示了这个逼近过程：

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