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.
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.
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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