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.

youdao

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.

youdao

接下来，需要引入虚拟的概念——存储分组用于对元素进行分类，并且我们会将存储分组公开为Web服务。

Next, a virtual concept is introduced - storage group to classify the combination of elements, and we will expose storage groups as Web service.

youdao