使用VM系统，您有两个主要区域来存储有关活动应用程序及其使用的数据的信息——物理随机访问存储器(RAM)和硬盘驱动器上分配的空间。

With a VM system, you have two primary areas that store information about the active applications and the data it USES — the physical random access memory (RAM) and space allocated on hard drives.

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它提供了一个通用的内存存储器，可保存任何东西，包括本地语言的对象，这就让您可以存储各种各样的信息并可以从诸多的应用程序和环境访问这些信息。

It provides a generalized memory store that can hold anything, including native-language objects, enabling you to store a variety of information and access it from many applications and environments.

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它代表所有传递到后端的信息和模型内需要的任何临时存储器。

It represents all of the information that is passed to the back end and any temporary storage that is needed within the model.

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