Dynamical simulation simulate the running scene of system using graph and image technology, and mainly used to demo and training.
动态模拟运用图形图像技术模拟系统运行现场，主要用于演示和培训；
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。
Therefore, an effective scene graph data representation of virtual maintenance training system is presented in this paper.
该文针对虚拟维修操作的特点，提出了一种新的场景图数据结构。
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