摘要
介绍了ＶＧＣＡＤ系统设计中某些技术问题，如约束的表示和处理、绘图参数与数据库的动态连接、基于变量化的尺寸标注等，并对系统特点作了说明。
This paper introduces some technical problems of VGCAD design,
such as expression and process of constraint, dynamic join of drawing parameter and database,
dimension mark based on variable. And the system feature is explained.
出处
《系统工程与电子技术》
EI
CSCD
1999年第7期7-8,23,共3页
Systems Engineering and Electronics
