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。
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.
介绍了虚拟概念设计、虚拟装配设计、虚拟环境中的声音系统、接触及力量反馈及相应的软件。
It introduces virtual conceptual design, virtual assembly design, the voice system in the virtual environment, the feedback of force and touch and the relevant software.
虚拟样机概念设计支持系统的作用在于辅助用户完成概念设计流程并提高概念设计功效。
The effect of virtual prototype conceptual design support system includes aiding conceptual designing flow and effectively improving conceptual design capacity.
以四川资阳场景为试验区域，设计了支持城市概念设计的虚拟城市系统，并构建了虚拟城市景观模型库。
The virtual city system facing the urban conception design can preview the configuration character with realistic virtual scene, which can help the urban designer estimate the design ideology.
另外，本文从虚拟仪器的概念出发，基于USB2.0提出并设计了激光超声系统的信号源。
In addition, a laser ultrasonic signal generator is designed based on USB2.0 in the conception of virtual instrument.
作为虚拟特征生成实例，本文以电子设备概念设计为例，详细介绍了系统级和芯片级的虚拟特征生成方法。
As examples of VFG, this paper introduces in detail the system - and chip-level VFG of electronic devices.
简述了提高数控系统开放性方面的意义，提出虚拟数控系统的概念及设计思想，可利用软件构件技术结合虚拟技术构筑开放化数控系统。
In this paper, the importance of open CNC system is introduced, then the concept and design method of virtual nc system are presented.
该文论述了虚拟样机的概念及其在武器系统装备论证中的作用和意义，并研究了虚拟样机的基本设计技术。
The concept of virtual prototyping and its applications in equipment demonstration are investigated in this paper, and the basic technologies of designing virtual prototyping are also studied.
该文论述了虚拟样机的概念及其在武器系统装备论证中的作用和意义，并研究了虚拟样机的基本设计技术。
The basic questions of the demonstration of equipment requirement demonstration based on capability includes introducing the concept are studied.
该文论述了虚拟样机的概念及其在武器系统装备论证中的作用和意义，并研究了虚拟样机的基本设计技术。
The basic questions of the demonstration of equipment requirement demonstration based on capability includes introducing the concept are studied.
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