同一个CPU插槽既可以插Intel CPU也可以插AMD CPU。
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readdir函数的返回值为空一定意味着目录遍历的结束
UNIX/Linux系统的线程同步机制包括了互斥量、读写锁及
An application letter is a document sent separately from your résumé or CV to provide more information about your skills and experience when applying for a job or a program.
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