A method to build dimensioning model of 2 dimensional drawing based on undirected graph is presented.
提出了一种基于图结构描述的二维图形尺寸标注模型的建立及存储方法。
The traditional research of the pick machine is abstract and not easy to be modified because of two-dimensional drawing.
摘锭是采棉机的主要工作部件，传统研究方法是以二维平面图来表示其结构，非常抽象且不便于修改。
In this paper, a method to build geometric constraint model of 2 dimensional drawing based on undirected graph is presented.
本文提出了一种基于图结构描述的二维图形几何约束模型的建立及存储方法。
The final shape helps the seal screw rod compressor assembly drawing, the contour dimensional drawing and each main detail drawing.
最终形成全封闭螺杆压缩机总装配图、外形尺寸图和各主零件图。
In this thesis, the designing method of computer-controlled system in three-dimensional drawing bed was discussed and a simple computer-controlled system was developed.
本文对三维牵引床计算机控制系统设计方法进行了探讨，并设计出一套简单的控制系统。
In this thesis, the designing method of computer-controlled system in three-dimensional drawing bed was discussed and a simple computer-controlled system was developed.
本文对三维牵引床计算机控制系统设计方法进行了探讨，并设计出一套简单的控制系统。
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