User level thread is the higher level user scheduling unit supported by kernel thread, it supports concurrent execution of user programs.

用户级线程是在核心线程的支持下建立的更高层次的用户调度单位，能较好地支持用户程序的并发执行。

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User level thread is the higher level user scheduling unit supported by kernel thread, it supports concurrent execution of user programs.

用户级线程是在核心线程的支持下建立的更高层次的用户调度单位，能较好地支持用户程序的并发执行。

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