这一版中，这个概念没有变，但是现在您可以通过克隆或删除单个虚拟机根据不断变化的工作负载需求进行调整。

This same concept still holds true, but you can now react to changing workload demands by either cloning or deleting individual virtual machines.

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PFGE发现在4家医院均有耐药株的克隆传播，并且常见于医院呼吸机相关肺炎及外科术后感染。

PFGE found clone spread occurred at 4 hospitals. The most common nosocomial infection was ventilation-related respiratory tract infection and postoperative infection.

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