Introduce the working definition of virtual reality, and two typical methods to realize virtual reality on WWW (world wide web) are given-VRML and image-based virtual panorama.
介绍了虚拟现实的工作定义，给出了使虚拟现实技术能在网络上应用的两种技术—VRML和虚拟全景。
360 degree panorama is a static image on a computer-based platform enables virtual reality technology.
360度全景是一种基于静态图像在微机平台上能够实现虚拟现实技术。
On the foundation of the virtuality and reality combination, and combine the panorama looking around, concentric circles picture technology, it has yield the conception of virtual globe.
在虚实结合的基础上加以改进，结合全景环视与同心拼图技术，提出了视球概念并对视球的特征进行深入分析。
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