几何拓扑 meaning in English
geometric topology
Examples
- Because 3d modeling must express accurately the shape of product , it is complicated compared to 2d drawing and requires designer to know computer more
由于三维模型需完全、精确反映产品的几何拓扑关系，因此，三维造型较二维设计繁琐、复杂，对设计人员计算机应用能力要求高。 - Skeleton is an efficient representation of object shapes since it reflects the topological structure of the original shape in a simpler manner , so that it can offer an effective method to control its topological change
与距离变换密切相关的概念是骨架化。骨架是形状表示的一种有效形式，以更为简单的形式反映原形状的几何拓扑结构，进而可为控制其拓扑变化提供有效的手段。 - The reason is that only geometry information of the graph is used to draw in this way . in fact , there is much other parameter information with engineering meanings in the graph , such as relations of geometry topology and constraints of dimension
其原因是采用绘图软件直接绘制时，仅仅利用了图形的几何信息，而在实际工作中，图形还包括一些具有实际工程意义的几何拓扑关系和尺寸约束等参数信息。 - Aiming at the shortage of material information , tolerance information , technical information , and so on in the model , the author conducted a research on a step based and feature oriented method to integrate the information in the model . the models for several common features were created . they are hole feature , planar face feature , outer - round feature , planar pocket feature , revolved groove feature , circular pattern feature , and rectangular pattern feature
针对现有数据模型在材料、公差以及工艺信息等方面的缺失,研究了在基于step的面向特征的产品数据模型中集成这些信息的方法,建立了一些常见特征,如孔类、平面、外圆、平面槽及旋转槽、圆周阵列、矩形阵列等特征的信息模型,并用express语言来表达,该模型不仅包含几何拓扑信息,而且增加了公差、工艺路线、装夹定位、加工方法、及材料等信息。