cad的lisp文件，pwx根据三点坐标生成抛物线，xyz收集点的坐标-cad lisp files generated, according to the coordinates of three parabolic

本文通过对LISP语言发展的研究，总结出计算机方面的设计理念。并不是完美的才是最好的，有时候愚蠢的简单的更好。-Based on the LISP language development research, summed up the computer aspects of the design philosophy. Not perfect is the best, and sometimes stupid simple better.