UG二次开发中B曲面的建立。对于仿形等情形从三坐标得到数据点生成对应的模型很实用。仔细研究会有很大的启发。这只是基础源码部分，可以单独执行的。稍加改动就可以是一个真正实用的功能部分了。-UG secondary development in the B surfaces was established. For situations such as copying data from the coordinate points to be generated corresponding to t

使用B*树以及模拟退火算法布置版图。有图形化界面。-Using B* tree and simulated annealing algorithm to generate IC floorplan. The software has a graphical interface.

在CAD里将另A实体的代码加入到B实体里进行覆盖B实体原有属性-Join the code of another AN entity to the B entity in CAD in carry on overalying a B entity original attribute

基于泰勒展开的B样条插补算法实现程序，可供相关研究者参考。-B-spline interpolation algorithm program based on Taylor expansion , to provide a reference for the related researchers.