这可能对虚拟机目录编制和分类有帮助，也可能是公司部署过程的要求。
That might help for virtual machine inventory and classification purposes, or it might be a requirement in your company's deployment procedures.
因为大部分类数据存储在ROMClass中，因此可以节省虚拟内存。
Because the majority of class data is stored in the ROMClass, this is where the virtual memory savings are made.
继续之前，我必须指出在这个上下文环境中，上述的一个更准确的分类是服务器虚拟化。
Before going on, I should point out that in this context a more precise categorization of the above is server virtualization.
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