每个“虚拟计算机”将操作系统和安装在它上面的软件应用程序封装起来。
Each "virtual computer" encapsulates the operating system and the software applications installed on it.
操作系统维持着一个虚拟地址到物理地址的转换的表，以便计算机硬件可以正确地响应地址请求。
The operating system maintains a table of virtual address-to-physical address translations so that the computer hardware can respond properly to address requests.
VMwareWorkstation是一种这样的产品，它允许您在可移植的虚拟计算机内运行多个操作系统。
VMware Workstation is a product that enables you to run multiple operating systems within portable virtual computers.
如果您打算使用多个操作系统为用户提供服务，那么需要在测试计算机上实现某种形式的虚拟化。
If you have any intention of serving users with more than one OS, you'll want a test machine with some form of virtualization on board.
虚拟软件将原本在一台电脑上的资源分摊到了几个虚拟计算机平台上，这些平台每一个都能运行相同的或者不同的操作系统。
Virtualisation software divvies up the resources on a single machine among several virtual computer platforms. Each virtual machine can run the same or a different operating system.
这提供了更高的计算机利用率和操作系统隔离，但是它实际上更像一种分区技术，而不像一种虚拟化解决方案。
This provides greater computer utilization and operating system isolation, but is really more of a partitioning technology rather than a virtualization solution.
虚拟化的一个优势就是扩展了计算硬件的功能，可允许一台计算机(主机)通过运行多个客户操作系统实现多个角色。
An advantage of virtualization is extending the utility of computing hardware, enabling a single computer (the host) to fulfill several roles by running multiple guest operating systems.
这个无损数据压缩库可以在任何虚拟计算机硬件和操作系统上运行，SDL需要使用这个库。
This lossless data-compression library can be used on virtually any computer hardware and operating system, required by SDL.
最后，更加简单的一种虚拟化是操作系统虚拟化，其中一台计算机可以运行相同类型的多个操作系统。
Finally, a simpler form of virtualization is operating system virtualization, in which a single computer runs numerous operating systems of the same type.
QEMU是一个平台虚拟化应用程序，让您能够仿真完整的计算机（处理器和相关的外部设备），用于在其上虚拟化另一种操作系统。
QEMU is a platform virtualization application that allows you to emulate an entire computer (processors and associated peripherals) for purposes of virtualizing another operating system on it.
因为虚拟地址一旦投入使用，所有在计算机中运行的软件都会占用虚拟地址空间，包括操作系统内核自身。
Once virtual addresses are enabled, they apply to all software running in the machine, including the kernel itself.
在硬件虚拟化中，hypervisor向访客操作系统提供底层计算机系统的虚拟化抽象。
In hardware virtualization, the hypervisor provides the virtualization abstraction of the underlying computer system to the guest operating systems.
该文介绍了如何使用虚拟机软件，在计算机教学中为学生演示计算机系统的底层设置和操作系统地安装。
The essay presents how to use Virtual Machine software to demonstrate the setup of computer system bottom layer and the installation of operating system to students in teaching.
该文介绍了如何使用虚拟机软件，在计算机教学中为学生演示计算机系统的底层设置和操作系统地安装。
The essay presents how to use Virtual Machine software to demonstrate the setup of computer system bottom layer and the installation of operating system to students in teaching.
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