This paper introduces a rarely seen method of describing with diametral distance.

本文介绍了一种鲜为人知的用直径距离描绘椭圆的方法。

youdao

This paper introduces a rarely seen method of describing with diametral distance.

本文介绍了一种鲜为人知的用直径距离描绘椭圆的方法。

youdao