In this paper, a core program package related for drawing pictures in micro computers with Oriented Geometry is presented to describe profile of machine parts in numerical control.
本文以有向几何为背景陈述一个微机绘图核心程序包，用它描写数控加工零件的平面外型轮廓，并在微机上绘制各种复杂的平面图形。
As the core technology of mesh processing, mesh editing aims at the effective construction of complex geometry models with intuitive and high-efficiency editing approach.
网格曲面编辑是网格处理的核心技术，其目的是为用户提供直观，高效的曲面编辑手段，实现复杂几何模型的构造。
Geometry constraint solution problem is the core of intellect CAD system. Here a new method was proposed for solving it based on the idea of assembling the divided components.
几何约束求解是智能CAD的核心问题，在研究装配模型的基础上提出了一种基于组件思想的约束求解策略。
The main functional elements of the die and mold include the core and cavity, which impart the desired geometry to the incoming melt.
冲模和铸型的主要功能元件包含型芯和型腔，以便对引入的熔融液给予所要求的几何形状。
The main functional elements of the die and mold include the core and cavity, which impart the desired geometry to the incoming melt.
冲模和铸型的主要功能元件包含型芯和型腔，以便对引入的熔融液给予所要求的几何形状。
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