近似弧长参数化曲线在CAD和几何造型系统中有着重要的应用。
Nearly Arc Length parameterization curve palyes an important role in CAD and geometric modeling.
细分方法是一种新的形体表示方法，在计算机图形学和几何造型中有广泛应用。
Subdivision scheme is a new object shape representation method and used widely in computer graphics and geometric modeling.
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。
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.
本文研究和开发了一个变分几何的参数化造型系统(VGPDA)。
In this paper, a variational geometry based parametric modelling System (VGPDA) is explored and developed.
一个实用的、完整的几何造型系统必须有一个精心设计的图形数据库作为图形信息的存贮和管理中心。
A practical stand-alone geometric moulding system necessitates a graphic database as its pictorial information storing and management kernel.
空气冲击湿砂造型过程有着本身的特点：快速冲击，离散的材料体系，材料非线性和几何大变形并存，是一个非常复杂的力学过程。
The pneumatic moulding is a very complex mechanical process with the features of fast impact, discrete materials, combined geometrical and material nonlinearity.
该造型的特点一是基于特征，其几何信息和工艺信息主要从制造要求出发；
The modelling is based on part feature, its geometry and process information are from the manufacturing requirement.
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。
Parametric design is a modeling method. It uses important geometric parameters to construct and modify geometric model.
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.
几何造型的效率在很大程度上取决于相应系统数据结构的设计和实现。
The efficiency of geometric modelling is mainly decided by the design and realization of the data structure of modelling system.
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.
通过非流形造型与基于物理的造型相结合，从拓扑结构和几何信息两个方面扩大了模型的表示范围。
Representing objects by combining non manifold modeling and physically based modeling enlarges the representing domain for both topology and geometry.
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.
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。
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.
参数化几何造型可以控制设计元素之间的关系，并且自动更新对模型和工程图所作的修改。
Parameterized model technology can control the relationship between design elements and renew the change of model and engineering drawing automatically.
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.
由于神经网络特有的结构灵活性、可重新训练性和强鲁棒性，使得它可以成为一种有效的几何造型手段。
Because of the flexible structure, retrainable and strong robust, the neural network can come to be an effective model method.
基于ACIS几何平台，开发了面向线切割的微小齿轮设计和啮合仿真软件，实现了微小齿轮的造型，并可进行啮合过程仿真和干涉检验。
Based on ACIS, the WEDM oriented software for the design and mesh simulation of micro gears is developed, by which the modeling, mesh simulation and interference check can be implemented.
在概括性地阐述分形理论、欧氏几何造型方法及离心式滚磨光整加工方法的基础上，重点分析了L系统分形造型方法和离心式滚磨加工过程中磨块运动的分形特性。
On the basis of generalizing the fractal theory, Euclid geometry mould and the discentral barrel finishing, L-System and the fractal characteristics of the grinder movement is analyzed.
本文第四章采用了场景几何造型和红外纹理图像混合的简化方法来进行红外动态场景的建模。
In Chapter 4 we constitute the dynamic IR scene by combining scene geometry modeling with IR texture images. In this way the complexity of IR scene is reduced.
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.
作品用几何结构做造型，尝试以方角的几何线条体现柔和的格局，取其稚趣可爱的面貌，如孩儿般的跳跃和顽皮。
With the geometrical structure, the works tries to embody soft feeling by cornered figures. The funny and lovely appearance is just like naughty kids.
然后按照功能分解的反方向对各几何体素进行拼合完成刀具的造型过程，从而大大提高了木工成形刀具的设计效率和设计质量。
Moulding Produce of cutter is accomplished by geometric figure putted together on opposite direction of function decomposed. It greatly increase the efficiency and quality designing.
金属和有机玻璃通过杨秋羽的制作转换成简洁干净的形状，形成了几何造型和极简风格。
Metal and acrylic are used within her work and are translated into simple and clean-cut forms, in keep with the geometric and minimalistic style.
几何形是一种最基本、最朴素的造型元素，我通过元素字体、图形、和空间创造出更加适合现代审美需求的图形“家”。
Geometry is the most basic and simple design elements, I passed the element's font, graphics, and space to create a more modern aesthetic requirements for the graphics "home."
本文将物体中轴线的几何特性和元球造型技术结合起来，提出了一种根据物体的二维轮廓线或者三维采样点进行快速三维物体造型的技术。
Firstly, this paper points out the conception error and the difficulty of current ways of outlining the polygon medial axis by analysis and comparison.
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.
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.
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