You can find details about the virtual hardware in the QEMU documentation.
可以在QEMU文档中找到虚拟硬件的详细信息。
This layer differs from PaaS in that the virtual hardware is provided without a software stack.
这一层与PaaS的不同之处在于，只提供虚拟硬件，而没有软件栈。
As Figure 6 shows, this virtual image might contain virtual hardware and a virtual operating system.
如图6所示，该虚拟镜像可能包含有虚拟硬件以及一个虚拟的操作系统。
The thin clients are standardized, and the virtual hardware that runs the desktop image is standardized.
瘦客户机是标准化的，运行桌面映像的虚拟硬件也是标准化的。
There are many factors to consider when determining the virtual hardware specifications for your cloud instances.
在为您的云计算实例确定虚拟硬件规范时有几个因素需要考虑。
The envelope descriptor describes all metadata for the virtual machine (s) (including virtual hardware) that make up this OVF package.
信封描述符描述构成此ovf包的所有虚拟机元数据(包括虚拟硬件)。
The emulator has to intercept most of the instructions used for guest-kernel-to-application communications and has to model a complete set of virtual hardware devices.
模拟器不得不为 guest-kernel-to-application通信拦截大部分指令，也不得不模拟一组完整的虚拟硬件设备。
With the use of hypervisors, you can run multiple guests (virtual machines) on a single piece of hardware.
随着管理程序的使用，您可以在单个硬件上运行多个客户机(虚拟机)。
Note: Virtual and physical systems hardware and software span a broad range, so the procedures in this article are meant as a reference guide.
注意：虚拟和物理系统的硬件和软件跨越的范围很广，因此本文介绍的步骤仅作为一个参考。
In this model, a virtual instruction set is translated to the physical instruction set of the underlying hardware, most commonly dynamically.
在这种模型中，虚拟指令集被转换成底层硬件的物理指令集，这个过程通常都是动态的。
The enablement and setup of virtual Ethernet does not require any special hardware or software.
建立和设置虚拟以太网不需要任何专门的硬件或软件。
Even when we replaced our hardware and migrated to virtual execution machines, the challenges of managing test configuration and coordination were costly.
即使我们取代硬件，迁移到虚拟的执行机器上，管理测试构造和协作也会有高代价的风险。
This is a very typical use of virtual Ethernet, because the communication is very fast and no additional hardware is required.
这是虚拟以太网的一个非常典型的应用，因为通信速度非常快，而且不需要任何另外的硬件。
The operating system maintains a table of virtual address-to-physical address translations so that the computer hardware can respond properly to address requests.
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。
They could also use an AXP Virtual Blade, a VM which basically emulates AXP hardware.
他们还可以使用一个AXP虚拟刀片机，一个基本上模拟AXP硬件的虚拟机。
Later, you can migrate various parts of the application into virtual "hardware" inside the FPGA, thereby freeing up CPU resources for other tasks.
随后，可将该应用程序的各部分迁移到FPGA中的虚拟“硬件”，从而释放CPU资源供其他任务使用。
All of the hardware is virtual, but it can still have some of the unexpected results that you experience when patching a physical server.
所有的硬件都是虚拟的，但您仍然可能遇到一些意想不到的结果，这些结果与您在物理服务器上执行补丁操作的体验不同。
However, when several virtual machines run on the same server and start competing for hardware and network resources, the overhead is substantially higher.
然而，当多个虚拟机运行在同样的服务器上，并且开始竞争硬件和网络资源时，系统开销就会大大增加。
The last configuration step before the image extension process begins involves the virtual machine’s hardware configuration.
开始映像扩展流程之前的最后一个配置步骤就是进行虚拟机硬件的配置。
The hardware to host the virtual machines have already been installed by a third-party hosting company in Australia.
运行虚拟机的硬件已经由澳大利亚当地的第三方主机托管公司安装完毕。
This is called a virtual machine because it's been designed for implementation in software, rather than hardware.
它被称为虚拟机，因为它被设计成用软件来实现，而不是用硬件来实现。
When devices are emulated, such as virtual network adapters, the emulation provides a layer to abstract away the physical hardware.
当设备被模拟(比如虚拟网络适配器)时，模拟提供一个抽象层以抽象物理硬件。
The benefits of virtual SCSI devices are much the same as virtual disk; less hardware expense and not needing to dedicate a device to each partition.
虚拟scsi设备的好处与虚拟磁盘几乎相同；更少的硬件费用，不需要为每个分区专门配置设备。
This model USES a virtual machine that mediates between the guest operating systems and the native hardware (see Figure 2).
这种模型使用一个虚拟机，它在客户操作系统和原始硬件之间进行协调(参见图2)。
Therefore, that virtual system appears to be running on a piece of hardware (that is, a virtual server) with only 1gb of memory.
因此，虚拟机系统看起来好像是在一个只有1GB内存的硬件(其实就是一个虚拟机服务器)上运行。
The virtualization layer standardizes the underlying hardware interfaces, so virtual machines can be moved seamlessly across different hardware platforms.
虚拟化层对基础的硬件接口进行规范化，所以虚拟机可以在不同的硬件平台之间无缝地移动。
The VMM ran directly on the underlying hardware, permitting multiple virtual machines (VMs).
VMM可以直接在底层硬件上运行，允许运行多个虚拟机(VM)。
In a virtual world, you would need to enable spare capacity or add more capacity to your existing hardware and reconfigure the virtual images for the new resources; that's all.
而在虚拟环境中，只需启用备用容量，或者向现有硬件添加更多容量，并为新的资源重新配置虚拟映像，就这么简单。
When a program tries to access memory using a virtual address, the OS in combination with on-chip hardware maps that virtual address to the physical location.
当程序尝试使用虚拟地址访问内存时，操作系统结合片上硬件将该虚拟地址映射到物理位置。
Many times, this complex software runs in its own virtual machine (such as a JVM), which itself may be running on virtualized hardware resources.
很多时候，这种复杂软件可在它自己的虚拟机(比如jvm)中运行，而虚拟机本身可能在虚拟硬件资源上运行。
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