1) structure boundary description
边界表述
2) contour description
边界描述
3) description boundary
描述边界
4) boundary representation
边界表示
1.
A 3D engineering geology modelling and analysis system is designed based on the complex data structure of boundary representation(Brep) and TIN,as well as the GIS technique.
采用边界表示(BRep)结构和TIN模型的混合数据结构,借助GIS技术,开发集基础数据管理和三维地质建模为一体的工程地质三维建模及分析系统。
2.
In order to solve the problem for feature recognition in feature modeling field,a new technique called edge boundary classification(EBC) for recognition of features from boundary representation solid model is presented.
为解决特征造型领域的特征识别问题,提出一种边界分类方法,从边界表示的实体模型中识别特征。
3.
At present, the CAD system always uses hybrid representations of feature representation and boundary representation in order to take advantages of both representations.
目前，在CAD系统中，一般采用特征表示和边界表示的混合表示方法，以充分利用两种表示法的优点。
5) B-rep
边界表示
1.
The incremental transmission algorithm of B-rep-based changed primitives is presented in this paper, reduces the model data requiring to be transmitted as far as possible, and guarantee the real-ti.
基于边界表示的变动基元集的增量传输算法,极大地减小了数据的传输量,保证了协同模型的实时同步性。
2.
The beautification theories and methods, focusing on the freeform models, are intensively explored to improve the shape of the final reverse B-rep model in this dissertation.
然后，给出了两张单节点B-样条曲面间G~1连续的充要条件以及公共边界曲线控制顶点的本征方程，并利用局部格式构造整体收敛的G~1光滑拼接的边界表示模型获得变形映射族的特解。
补充资料：表述
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