采用特征对象化的设计思想，在特征造型和3维实体几何造型的基础上，研究液压集成块的3维参数化设计方法。
On the basis of Feature Modeling and 3d Solid Geometry Modeling, with the idea of Object-Oriented Product Design, a 3d Parametric Feature Modeling Method is applied to develop manifold.
基于实体造型，综合现有NC几何验证方法的优点，研究与实现了一种新的Z&N验证算法。
Based on solid model and general geometry validity for NC, the paper carries out a new Z & W algorithm.
根据几何建模原理以及实体造型技术，从结构和功能上进行了结构建模的构架。
According to the principles of geometry modeling and solid molding techniques, the structural modeling is established by the aspects of structure and function.
本文描述了一个将曲面造型和实体造型技术统一起来的试验性几何造型系统。
This paper is concerned with a geometric modelling system that integrates surface modelling with solid modelling.
ACIS是一种三维几何造型引擎，它集线框、曲面和实体造型于一体，为各种3d造型应用的开发提供了几何造型平台。
ACIS is a prominent 3d modeling engine, which integrating wireframe, surface, and solid modeling in itself, supplies a geometric modeling platform for different 3d modeling applications.
主要说明AC IS几何技术是一个面向对象软件技术，它集线框、曲面和实体造型于一体，并允许这3种表示共存于统一的数据结构中。
Targeted at objects this paper introduces ACIS software technology, which combines wireframe model, surface model and solid model. It allows three presentations in the integral system.
本文根据双螺杆横截面几何造型方程，运用MDT软件包，实现了同向和异向旋转双螺杆的三维实体造型。
According to the intermeshing mechanisms of co and counter rotating twin screws, the 3D solid modeling of twin screw was realized by using Mechanical Desktop(MDT) of AUTODESK in this paper.
本文根据双螺杆横截面几何造型方程，运用MDT软件包，实现了同向和异向旋转双螺杆的三维实体造型。
According to the intermeshing mechanisms of co and counter rotating twin screws, the 3D solid modeling of twin screw was realized by using Mechanical Desktop(MDT) of AUTODESK in this paper.
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