很多现代的UNIX操作系统实现了一个多对一的模型，用来映射用户空间的线程到系统内核对象。

Many modern UNIX operating systems implement a many-to-few model when mapping user-level threads to kernel entities.

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很多现代的UNIX操作系统实现了一个多对一的模型，用来映射用户空间的线程到系统内核对象。

Many modern UNIX operating systems implement a many-to-few model when mapping user-level threads to kernel entities.

youdao