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数学椭圆定理有哪些
更新时间: 2020-09-23 00:00:00  

椭圆定理主要有:

1、椭圆周长不可积,也就是没有显式表达式;

2、从一个焦点发出的光,经过椭圆反射后汇聚在另一个焦点;

3、椭圆上的每一点到两焦点距离之和相等;

4、椭圆上每一点到某个焦点和对应准线的距离之比为定值。

关键词: 数学 椭圆 定理 哪些

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