泛虚拟化是这样一种技术，软件接口以与底层硬件相似但并不完全一致的方式得以呈现。
Paravirtualization is a technique in which a software interface that is similar but not identical to the underlying hardware is presented.
向后兼容性指硬件和软件系统可以使用该系统的早期版本的接口和数据。
Backward compatibility refers to a hardware or software system that can use interfaces and data from earlier generation (s) of the system.
清楚说明业务场景、软件模块、接口和硬件的文档。
Documents that articulate the business scenario, software modules, interfaces, and hardware clearly.
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