Parametric design is a modeling method. It uses important geometric parameters to construct and modify geometric model.
参数化设计是一种使用重要几何参数快速构造和修改几何模型的造型方法。
This paper has described the rigorous methods of both design and geometric modeling, which can be used in the CAD for heavy casting and forging as well as heavy machinery.
本文介绍了严密精确的设计和几何造型方法，可用于大型铸锻件和重型机械的CAD和计算机辅助设计。
The traditional modeling techniques are mainly focused on physical modeling and geometric representation, so it makes the conceptual design of products not obtain effective technique support.
由于传统建模技术主要集中于物理建模和几何表示方面，致使产品概念设计阶段缺乏有力的技术支持。
An important topic of Computer Aided geometric design and Computer Graphics is geometric modeling, whose major components are free-form curves and surfaces design and modeling.
几何造型是计算机辅助几何设计和计算机图形学的一项重要内容，而曲线曲面的设计与造型又是几何造型的一个主要内容。
The geometric error modeling of NC machine tools is the key technique to dynamics design, precision analysis and error compensation. It is the important step to improve the precision of machine tools.
数控机床的误差建模是进行机床运动设计、精度分析和误差补偿的关键技术，也是保证机床加工精度的重要环节。
Geometric modeling and its graphic presentation is the important part of computer aided-design techniques.
几何模型的建立及其图象表达是计算机辅助设计的重要组成技术。
Geometric modeling and its graphic presentation is the important part of computer aided-design techniques.
几何模型的建立及其图象表达是计算机辅助设计的重要组成技术。
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