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This means that guest operating systems know that they're being virtualized, and this knowledge comes with performance enhancements.

这意味着来宾操作系统知道自己正在被虚拟化，并且这同时还会改进性能。

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Compare it to Figure 2 and you notice that the performance of the knowledge base is already better than that of the first knowledge base you built.

与图2进行比较，您会注意到，知识库的性能已经比第一次构建的知识库好多了。

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Is the lack of performance due to a knowledge gap?

FORBES: Choosing the Right Training?

The Court of Master Sommeliers, established in 1977, weighs appearance and performance nearly as high as knowledge.

FORBES: Dream Jobs: Laura Maniec, Master Sommelier

Jones was sentenced to six months in prison for lying about her use of banned performance enhancing drugs and her knowledge of an illegal check-cashing scheme.

NPR: Disgraced Marion Jones Sentenced to Six Months