改变：RWG随机生成的世界有一个全新的算法。

Changed: RWG random world generation has a whole new algorithm.

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而文学叙述生成的世界却可以是一个相对封闭的系统，没有一个外在的现实世界与之相对照。

But the world of literature narrative is a closed system which does not have a counterpart in the real world yet.

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研究人员说，这种设备可以将电脑生成的视觉信息覆盖于真实世界的景观之上，能够用于游戏设备和导航系统。

The researchers said the device could overlay computer-generated visual information on to the real world and be of use in gaming devices and navigation systems.

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