Virtual environment walkthrough systems traditionally use computer graphics to model and render virtual environments.

虚拟环境漫游系统，传统上是采用计算机图形学原理建模来绘制虚拟场景。

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At last, we discuss simply the new technique of walkthrough in Image Based Virtual Architecture environment.

最后，关于第三种虚拟漫游技术，本文简单讨论了基于图像的虚拟场景漫游这一崭新的技术。

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At last, we discuss simply the new technique of walkthrough in Image Based Virtual Architecture environment.

最后，关于第三种虚拟漫游技术，本文简单讨论了基于图像的虚拟场景漫游这一崭新的技术。

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