目录摘要..............................................................................................................II1 绪论...........................................................................................................11.1 虚拟现实技术概述...........................................................................11.2 Web3D 技术概述..............................................................................12 VRML 概述...............................................................................................32.1 VRML 的介绍..................................................................................32.1.1 VRML 进展..............................................................................32.1.2 VRML 简介..............................................................................32.2 VRML 技术特征..............................................................................32.3 VRML 浏览器..................................................................................53 X3D 概述...................................................................................................63.1 X3D 的介绍......................................................................................63.1.1 X3D 系统进展..........................................................................63.1.2 X3D 系统组成..........................................................................73.1.3 X3D 系统特性..........................................................................83.2 X3D 的关键技术..............................................................................83.3 X3D 的浏览器................................................................................104 X3D/VRML 的比较................................................................................114.1 VRML97 的缺点.............................................................................114.2 VRML97 和 X3D 的举例比较........................................
