If you need to secure a virtual cube, you need to define security on the non-virtual cubes on which the virtual cube is based.

如果需要保护一个虚拟多维数据集，需要在虚拟多维数据集所基于的非虚拟多维数据集上定义安全性。

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Something to note is that a virtual machine will not be as fast as a native application (native = running on non-virtualized hardware).

需要注意的是虚拟机运行并不会像本地主机（就是运行在非虚拟的硬件上的系统）上的程序一样快。

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The reason for this is that memory is a "real" (or let's say non-virtual) entity, the statistics about memory consumed is maintained by the kernel and is always current.

原因在于，内存是“真实的”(或者说非虚拟的)实体，关于内存消耗的统计数据由内核维护，总是最新的。

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But all eyes are going to be on Amazon and how it fares in the non-virtual world.

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But, for me, they miss the real highlight of the non-virtual version.

BBC: Riding the virtual Trans-Siberian

When they're not flying down the 200-plus marked trails, guests at the Four Seasons Whistler enjoy freshly shucked oysters and market-fresh crab from the Fifty Two 80 Bistro or--for the non-skier--a virtual training session in the gym.

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