EMCAD system combines Object Oriented programming technology, database technology, parametric technology and solid molding technology.
EMCAD系统结合了面向对象编程技术，数据库技术，参数化技术和实体造型技术。
There is more practical significance for the research of geometric constraint solving, which is the core of parametric technology and variable technology.
该算法使得作为参数化技术和变量化技术的核心问题：几何约束求解的研究更具有实际意义。
There is more practical significance for the research of geometric constraint solving, which is the core of parametric technology and variable technology.
该算法使得作为参数化技术和变量化技术的核心问题：几何约束求解的研究更具有实际意义。
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