For the problem of low efficiency of bus framework modeling, this paper, based on the analysis of the characteristics, proposes the parametric modeling technology.
针对客车承载结构建模效率低的问题，提出了基于特征分析的参数化建模技术。
The technology of parametric graphic modeling has been one of the research focuses in CAD field study.
参数化图形建模技术一直是CAD领域的研究热点之一。
A study is carried out upon three-dimensional parametric modeling method and its technology based on CATIA, the basic method and general steps of 3-d parametric modeling are expounded in detail.
对基于CATIA的三维参数化建模方法及其技术进行了研究，详细地阐述了三维参数化建模的基本方法和一般步骤。
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