Chapter 3 discuss virtual modeling technique, analyze and compare the four virtual modeling technique.
第三章讨论虚拟建模技术，分析和比较了四种虚拟建模技术优缺点。
Emphatically, virtual modeling, virtual assembling, motions simulation, interference detection, the management and creating of engineering drawings etc. are researched and studied.
重点对电动执行器的虚拟建模、虚拟装配、运动仿真、干涉分析和工程图生成及管理等方面进行了探讨和研究。
In this paper, we briefly introduce some relevant techniques of VR virtual modeling and virtual walkthrough, and we design and implement a virtual campus walkthrough system based on PC.
本文在对虚拟现实、虚拟建模、虚拟漫游等相关技术作了介绍，并设计与实现一个基于PC机的桌面式校园虚拟漫游系统。
Other focus areas from this industry include pharmaceutical modeling, virtual surgery training, condition and diagnosis visualizations, total-record medical databases, and the Human Genome Project.
业界中其他领域包括制药建模、虚拟外科手术训练、环境和诊断虚拟化、完整的医疗记录数据库以及人类基因项目。
Virtual prototype technology is a new method of product development and is also a numerical design method based on computer product modeling.
虚拟样机技术是一种崭新的产品开发方法，是一种基于产品计算机建模的数值设计方法。
Geometric modeling is one of the most basic and important work during developing virtual reality system.
几何建模是开发虚拟现实系统过程中最基本、最重要的工作之一。
The virtual prototype model of rotary swing was established for the first time, self-defining modeling program of cable wire was exploited.
首次建立了旋转秋千的虚拟样机模型，自定义开发了钢丝绳索的宏命令建模程序。
This paper presents a formal approach of product development and manufacturing process modeling based on process decomposition and activity description for a virtual enterprise.
针对虚拟企业提出了一种基于产品开发制造全过程分解和活动描述的形式化过程建模方法。
Several important technologies, such as virtual reality technology, modeling technology, environment of virtual assembly, process and platform of virtual development are discussed.
主要讨论虚拟现实技术、建模技术、虚拟装配环境和剪切机的虚拟开发流程及开发平台。
In this paper we begin from the feature of the assembly and disassembly modeling in the virtual maintenance, propose a layering method to assembly and disassembly modeling building.
本文从虚拟维修中装配拆卸模型的基本特点入手，给出了在进行虚拟维修中所需要的模型的层次化组织结构。
Based on the concept of Application Service Provider (ASP), this paper proposes a design solution of a modeling framework used in virtual business modeling steps with ASP modes.
通过应用服务提供商(asp)模式的概念，提出一种基于ASP模式的虚拟企业建模工具框架的设计方案。
In order to support real time virtual maintenance simulation, a maintenance-task-oriented VMP modeling is addressed to represent geometry modeling and human-object interaction modeling.
为了满足仿真实时性要求，提出了面向维修任务的虚拟维修样机建模方法，进行样机的几何建模和人机交互建模。
The perceptive function is the foundation of virtual human behavior modeling in the research of the intelligent virtual human autonomous behavior model.
在智能化虚拟人自主行为模型的研究过程中，感知功能是建立虚拟人行为模型的基础。
Fast collection of three-dimension information is the key technique in three-dimension real scene modeling and Virtual Reality.
三维信息快速采集是真实场景建模与三维虚拟现实技术的关键。
In military games, autonomous perception of intelligent virtual soldiers is the foundation of behavior modeling for soldiers.
在军事游戏中，智能虚拟士兵的自主感知功能是士兵行为建模基础。
The motion modeling system structure of virtual gear measuring center is introduced.
介绍了虚拟齿轮测量中心运动建模的体系结构。
The modeling of common vessels in virtual lab is discussed and improvement is made to general extrusion shaped method.
文中论述了虚拟实验室中常用容器的建模，并对一般的挤压造型方法作了改进。
Modeling technology of virtual environment is the key of VR-based telerobotic system.
虚拟环境的建模是基于虚拟现实的遥操作机器人系统的关键技术。
Computational multibody dynamics and virtual prototyping technology are brand new modeling and analysis methods for simulating the landing process of an aircraft.
而计算多体系统动力学和虚拟样机技术的出现，使得对于飞机着陆过程起落架和机身动态响应的模拟更逼近于现实。
On the basis of process modeling of conceptual design in virtual enterprises, the types, features, forms, and distributed situations of the knowledge needed by the process are analyzed.
在虚拟企业概念设计过程建模的基础上，分析了该过程所需知识的类型、特点、存在形式和分布情况，并在此基础上提出了虚拟企业基于知识的概念设计系统的系统框架。
The process of virtual reconstruction consists of data acquiring, modeling, rendering and real-time browsing system designing.
虚拟重建的过程主要包括数据获取、场景建模、漫游系统和实时渲染等。
This paper focuses on business processes and studies the business process oriented virtual enterprise modeling and cooperative operation in an integrative way.
聚焦于经营过程，对面向经营过程的虚拟企业建模与协同运作进行了一体化的研究。
The modeling and visualization on the virtual city scene are significantly studied and realized.
重点研究与实现了虚拟城市景观建模与三维可视化。
Objective To study the optimized method for precise modeling of virtual device, while using virtual reality in the simulation training of space flight.
研究在应用虚拟现实进行航天飞行模拟训练时，虚拟设备精确建模的实现与优化方法。
Then it describes the methods for data modeling of the virtual battlefield scene, and enumerates the crux technique of the interactive large-scale scene dynamic displaying.
然后，阐述了战场虚拟场景的数据建模方法，列举了交互大型场景动态实现的关键技术。
This paper chiefly studies the application of VRML (virtual reality modeling language) in the virtual model base of engineering graphics.
主要研究VRML（虚拟现实建模语言）在工程图学虚拟模型库中的应用。
On the base of analyzing the limitation of modeling of traditional CIMS enterprise, dynamic modeling for virtual enterprise under network manufacturing is discussed.
在分析传统CIMS企业建模局限性的基础上，探讨了网络化制造环境下虚拟企业的动态建模问题。
On the base of analyzing the limitation of modeling of traditional CIMS enterprise, dynamic modeling for virtual enterprise under network manufacturing is discussed.
在分析传统CIMS企业建模局限性的基础上，探讨了网络化制造环境下虚拟企业的动态建模问题。
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