System structure of virtual product design in collaborative environment is put forward.
提出了协同环境下虚拟产品设计系统的体系结构。
The importance of developing an evaluation system collaborated by experts for virtual product design using CSCW technology is discussed.
利用计算机支持的协同工作（CSCW）技术，开发一个面向虚拟产品设计的专家协同评审系统；
The basic framework of Virtual Product Design System for Parallel Machine Tools (PMT VPDS) and functions of three subsystems are introduced. The archetypal system is developed.
介绍了并联机床虚拟产品设计系统（P MT V PDS）的基本框架及其子系统功能。
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。
At last, several key enabling technologies, namely product data management, case based design, design for cost, virtual design and collaborative design are discussed in detail.
论述了实现这个体系结构的几个关键技术：产品数据管理、基于实例的设计、面向成本的设计、虚拟设计。
The influence of virtual reality technology on mechanical product development is analyzed and a method to design virtual model of gear-box based on VRML is presented.
分析了当今虚拟现实技术对开发机械产品的影响，提出了利用VRML构建齿轮变速箱虚拟模型的基本方法。
The virtual prototype system of railway locomotives and vehicles provides a modeling and simulation environment for optimization of product design and production process.
铁路机车车辆虚拟样机系统为产品设计和生产过程的优化提供了集成的建模和仿真环境。
Virtual prototyping is a new kind of technology in product design, development, and assessment, which is based on integrated products and process development.
虚拟样机技术是一种基于集成化产品和过程开发策略的新型的产品设计、开发和评估手段。
Based on a design example of antenna stabilized platform, product design method of the virtual prototyping-based simulating design from load analysis to whole model structure analysis was explained.
以某型天线稳定平台为例，阐述了产品从初始载荷仿真分析到整体模型结构分析的基于虚拟样机仿真设计的方法。
The cooperative virtual assembly is a kind of pre assembly for product in digital mode by network, and a basis of agile design and manufacture.
协同虚拟装配是借助于网络对产品进行数字化预装配，它是敏捷化设计与制造的基础。
The concept of process fusion of product design in a virtual enterprise and architecture of virtual enterprise oriented process fusion and activity integration were put forward.
提出了虚拟企业产品设计过程融合的思想，以及面向虚拟企业的设计过程融合与设计活动集成体系结构。
An interactive model of product virtual design based on virtual reality technology was presented.
提出以虚拟现实技术为核心的互动式产品虚拟设计模型。
Then the fuzzy multi-objective decision methods and mathematics model of product project based on virtual design simulation for product life-cycle were expounded.
在此基础上提出了虚拟环境下生命周期产品设计方案模糊多目标决策方法和数学模型。
Experimental results show that the presented approach works well for ergonomic simulation and assessment of driving workplace in virtual environment and product design.
试验结果表明，该方法可以有效地应用于虚拟环境中汽车驾驶空间的人机工程仿真与评价，支持产品开发设计。
Quantitative evaluation of the virtual design cycle has been plagued product designers.
定量化的评价虚拟设计周期一直是困扰产品设计者的难题。
Traditional product design methodology is not suitable for virtual enterprise environment.
传统的产品设计方法在虚拟企业环境中已不能完全适用。
Vessel virtual design is a whole-digital product development technique, which aims at vessel products on base of virtual reality.
船舶的虚拟设计是一种以虚拟现实技术为基础，以船舶产品为对象的全数字化的产品开发手段。
This paper addresses the following techniques: product modeling in conceptual design, virtual feature generation, and some important implementation techniques of them.
本文着重研究虚拟原型技术中的两个关键问题：产品概念设计建模、虚拟特征生成及其主要实现技术。
It is one of the trends of product design in the future to introduce virtual reality technology in the humanized product design.
人性化产品设计中引入虚拟现实技术是未来产品设计的趋势之一。
Virtual design and manufacturing for mechanical product can be used to reduce error in the design process, shorten the lead time greatly for them and strengthen the product's competitive ability.
机械产品的虚拟设计与制造技术可以减少设计过程中的错误，缩短开发周期，增强产品的竞争力。
Virtual sculpture is one of the key parts of virtual reality. It mainly focuses on the conceptual design in product development.
虚拟造型技术是虚拟现实技术的重要组成部分，主要针对产品的概念设计。
Virtual assembly technology is an entirely-new design concept. It means to complete the process control for general product design and give model definition and analysis.
虚拟装配技术是一种全新的设计概念，是在虚拟设计环境下完成对产品的总体设计进程控制并进行具体模型定义与分析的过程。
The exercise of virtual design has important significance to shorten the cycle of product development, to economize the cost of product development and manufacture and to improve productivity.
虚拟设计技术的应用对缩短产品开发周期、节省产品开发设计制造成本、提高生产率有着重要的意义。
The Virtual Prototype technology should be used during the whole design process of product; it may be used in the conceptual design and the plan proof.
虚拟样机技术的运用应贯穿在整个设计过程当中，它可以用在概念设计和方案论证中。
It mainly introduces the structure of the system and the functions of main modules, discusses the key techniques and methods in modeling data product in virtual design.
文章着重阐述了系统的总体结构，各模块的功能及实现方法，提出了船舶结构数据产品模型的建立方法，对建模中的关键技术进行了研究、开发。
The paper introduced a whole design frame of sugarcane harvester based on the virtual prototype technology and presented its basic thought of integration modeling on product development.
在分析基于可视化虚拟设计技术的甘蔗收获机械设计开发总体流程的基础上，介绍了其设计开发集成建模的基本思路。
The paper research the problem of bow to build the model of cutter with the design technology of virtual product, and built the 3D models of twist drill, gang drill, gear hob;
讨论了用虚拟技术对复杂金属切削刀具进行建模的问题，建立了麻花钻、群钻、齿轮滚刀的三维数字模型；
The paper research the problem of bow to build the model of cutter with the design technology of virtual product, and built the 3D models of twist drill, gang drill, gear hob;
讨论了用虚拟技术对复杂金属切削刀具进行建模的问题，建立了麻花钻、群钻、齿轮滚刀的三维数字模型；
应用推荐