求二次曲线弦中点轨迹与弦长的一种方法

Method for calcutation of the second string mid-point of curve track and length of string

介绍利用二元Taylor定理求二次曲线弦中点轨迹与弦长的一种方法.

This article describes the use of dual Taylor theorem for the second string mid-point of curve track and the length of string.