Emulation commonly provides a layer between the VM and the underlying hardware and operating system to create the illusion of the desired platform environment as shown in Figure 1.
仿真通常在VM和底层硬件和操作系统之间提供层以便创建如图1中所示的预期的平台环境的幻想。
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。
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