新系统已经被优化，以便运行微软视窗系统。

The new systems have been optimized for running Microsoft Windows.

《柯林斯英汉双解大词典》

这些扩展使得Xen可以支持原生（未经修改）的操作系统，如微软视窗系统。

These extensions allow Xen to run unmodified operating systems such as Microsoft Windows.

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比如在软件业，微软的视窗操作系统在中国使用率达到90%，但大多数都是盗版。

Take software, for instance. Microsoft's Windows operating system is used on 90% of PCs in China, but most copies are pirated.

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