虚拟设备的优势是，关注点在应用程序上。
The advantage of the virtual appliance is that the focus is on the application.
现在，让我们看看虚拟设备的一个关键特性。
Now, let's look at one of the key aspects of the virtual appliance.
虚拟设备编号?。
一个虚拟设备是建立在一个或者多个真实设备之上的抽象设备。
A virtual device is an abstraction built on top of one or more real devices.
从技术上讲，这些工作站不是一般IT人员所想象的那种虚拟设备。
Technically, these workstations are not virtualized like most IT people think of virtualization.
从技术上讲，这些工作站不是一般IT人员所想象的那种虚拟设备。
Technically, these workstations are not virtualized like most IT people think of virtualization.
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