In this paper, the author discussed the 3d object scene graph structure theory, system design and implementation techniques and application case.
在论文中，作者讨论了虚拟现实技术中的三维实体的场景储存结构理论、结构构成原理与设计方法以及典型应用系统等内容。
To remove the limitations of traditional scene graph structure in development of virtual maintenance training system(VMTS), a new scene graph structure is presented.
针对传统场景图结构在开发虚拟维修训练系统时的局限性，提出了一种新的场景图数据结构。
Chapter 2 introduce the principle and system architecture of VRML, especially focus on the important concepts, such as node, scene graph structure, event system and extended mechanism.
第二章介绍了虚拟现实建模语言VRML的核心原理和体系结构，并对VRML中的一些重要概念如节点、场景图结构、事件体系、扩展机制等作了详细介绍。
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