Combining with technology of virtual reality, a basic structure of simulation system of mechanism motion scheme based on database and 3d graphic library is advanced.
结合虚拟现实技术，提出了一个基于数据库和3d图形库的机构运动方案仿真系统的基本结构。
The functions of library under the network environment are integration of the functions of virtual library and reality library.
网络环境下图书馆的功能是虚拟图书馆和实体图书馆功能的总和。
The functions of library under the network environment are integration of the functions of virtual library and reality library.
网络环境下图书馆的功能是虚拟图书馆和实体图书馆功能的总和。
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