基线网格提供了情景的虚拟地板和墙壁，每个轴一个，有助于用户定位方向。

Baseline grids provide virtual floors and walls to a scene, one for each axis, which serve to Orient users.

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在本文的情景中，这能够找到哪些磁盘用于虚拟机，还有哪些数据是用于MapReduce服务本身。

In this scenario it would allow discovery of which disks are used for the virtual machines and also which data is used for the MapReduce service itself.

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这就是你穿上虚拟现实装备后置身于“卡通”教室的情景——rizzo。

Here's what you might see when you're wearing virtual-reality headgear that puts you in a "cartoon" classroom.

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