贝塞尔曲线是计算机图形图像造型的基本工具，是图形造型运用得最多的基本线条之一。它可以通过程序自动编辑形成曲线。-Bessel curve is a basic tool for computer graphics and image modeling, and it is one of the most used basic lines. It can automatically edit the formation curve through the program.