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椭圆是一种优美的曲线,在现实生活中也会经常出现它的身影.椭圆是怎样的一种曲线呢?高中教材第二册(上)的两个定义读者已经是耳熟能详了,但实际上椭圆的构成方式有很多种.笔者在查阅有关资料的过程中,发现椭圆还有其他一些有趣的构成方式.这些构造椭圆的方法,如果作为一种课外
The ellipse is a beautiful curve, and it will often appear in real life. What kind of curve is the ellipse? The two definition readers of the second volume of high school textbooks (above) are already familiar, but actually There are many ways to construct an ellipse. In the course of reviewing relevant information, the author discovered that there are other interesting ways of constructing an ellipse. These methods of constructing an ellipse serve as an extracurricular class.