这个抽象层允许任何操作系统在硬件上运行，而不需要了解任何其他客户操作系统。

This abstraction layer allows any operating system to run on the hardware without knowledge of any other guest operating system.

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在客户操作系统和裸硬件之间有一个hypervisor作为抽象层使用。

A hypervisor sits between the guest operating systems and the bare hardware as an abstraction layer.

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你可以在使用硬件抽象层设备的任意时间绑定软件和硬件顶点处理，该唯一设备同时支持硬件和软件顶点处理。

You can toggle between software and hardware vertex processing at any time when using the Hal device, the only device type that supports both hardware and software vertex processing.

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