With no additional customization, users can create XEN virtual machines running modified, highly tuned, para-virtualized guest operating systems for optimal performance.

用户不需要定制就可以创建 XEN 虚拟机，可以用它们运行经过调优的虚拟化访客操作系统，产生出色的性能。

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In order to improve the performance of virtual machine (virtual machine Monitor), a new quasi Virtualization (Para-Virtualizion) technology was born.

为了改善虚拟机技术(Virtual Machine Monitor)的性能，一种新的准虚拟化技术(Para - Virtualizion)技术诞生了。

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