四个圆近似椭圆,l形的命令行输入,选择中心,输入半径半径长轴和短轴,近似椭圆自动完成。 -Four circular ellipse approximation, ell command line input, center, input radius radius of long axis and short axis, the approximate ellipse done automatically.

刷线宽SZ 双线CSDB-绘L 线宽改变CSPEDIT 线形反向fx 线修改peditn(Brush line width SZ Double line CSDB- draw L Linewidth change CSPEDIT Linear reverse FX Line modification peditn)