On the basis of abroad and domestic references about large welded gear and its objects, computer aided design for the large welded gear is achieved in selection of structure form, size and weld.
在分析焊接齿轮资料和实物的基础上，实现了用计算机对大型焊接齿轮的结构型式、尺寸、焊缝进行辅助设计。
An important topic of Computer Aided geometric design and Computer Graphics is geometric modeling, whose major components are free-form curves and surfaces design and modeling.
几何造型是计算机辅助几何设计和计算机图形学的一项重要内容，而曲线曲面的设计与造型又是几何造型的一个主要内容。
In the classified management of spare parts, inventory management mode, supply chain, management process and their integration with computer aided design form a mode of optimization management.
在备件分类管理、库存管理模式及备件供应环节和管理流程上，结合计算机辅助技术，形成优化管理模式。
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