A hypervisor is a software virtualization program that provides a layer of abstraction between operating systems and physical resources on a machine.
管理程序指的是一种软件虚拟化程序，它在操作系统和机器物理资源之间提供了一个抽象层。
At its simplest, application virtualization is the abstraction of the application from its underlying application infrastructure resources, such as application servers and clusters.
简单地说，应用程序虚拟化是其底层应用程序基础架构资源(比如应用程序服务器和集群)的一个抽象。
In the process we'll add the information services abstraction layers, and the service virtualization and connectivity.
在该过程中，我们将添加信息服务抽象层，以及服务虚拟化和连接性。
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