This paper describes the application of virtual reality technique and the characteristic of the desktop VR system, and deals with its key technology.

本文介绍了虚拟现实技术的应用领域，阐述了桌面虚拟现实系统的特点，探讨了它的关键技术。

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This paper introduces how to develop a set of Particles system Application Programmer Interface (API) which can be used to simulate dynamic scene in VR system as a module.

该文描述了一套粒子系统应用程序接口(API)的设计，并将其作为一个模块应用于虚拟现实系统的动态场景模拟中。

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