In this paper, a new method to solve the mixed problem-the method of parametric development is given It is convenient to solve some examples.
介绍一种求解偏微分方程混合问题的新方法——含参数展开法，利用此方法求解一些实例是很方便的。
This paper illuminates the performance and the method of secondary development of software CATIA, and generalizes the parametric design methods of parts modeling based on CATIA.
本文阐述了CATIA软件的二次开发性能和二次开发方法，总结了基于CATIA的零件模型的参数化设计方法；
A key technique for the development of CAD system is described: the building method of parametric graph library and its management.
本文阐述了机械CAD系统开发过程中的关键技术：参数化图形库的建立方法及其建立后的图形库的管理。
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