On the basis of summarizing and analyzing previous work , this paper brings forward a model for creating an image - based virtual reality system . by using this model , we developed an image - based virtual reality development kit ( vrdk ) 本文在总结、分析前人工作的基础之上,提出了一个实现基于图像的虚拟现实系统的模型,并据此模型开发了一个基于图像的虚拟现实开发软件包( vrdk ) 。
From the view of the application of system simulation , using visual interactive modeling environment to reduce the time of modeling and improve the communication between person and computer has become one of the hot - point of simulation technique 从系统仿真的应用角度来看,为减少模型开发时间,改善人机之间的通信手段及其质量,采用可视化交互建模环境已成为仿真技术的研究热点之一。
During researching distributed application system and the development practice , the author supplemented nowaday distributed model with the latest soap technology , and used the new model to develop a prototype of on - line orders process system 同时在研究分布式应用系统和开发实践中,作者结合最新的soap技术对现有的分布式模型进行了补充,并运用此补充模型开发了在线订单处理系统原型。
This paper analyzes and designs the process model , data logic model , data concept model and user interface of every sub - system of plan flow management information systems after the demand analysis of enterprise plan flow systems 本文在总结企业计划流系统需求分析的基础上,结合模型开发方法,分析并设计了计划流管理信息系统的各个功能子系统的过程模型、数据逻辑模型、数据概念模型以及用户界面。
Abstract : this is a review on the application and exploitation of fish as laboratory animal , including use and breeding of fish as laboratory animal and their advantages and developing tendency . the problems and the research strategy of china are discussed in this field 文摘:综述了国内外鱼类实验动物的应用、育种及模型开发的现状与发展趋势;阐述了鱼类作为实验动物的优点;探讨了我国鱼类实验动物开发与应用的前景。