这篇基于CAA的CATIA二次开发报告包含了CAA开发方式的关键技术，能够为开发人员已存在的零散的开发经验形成系统的开发知识结构。-This is based on secondary development of CATIA CAA report contains the key technology of the CAA development, system development knowledge structure for the development of the existing scattered development experience.