If the page is unmodified, the page replacement daemon can simply mark the physical memory block as free, and the physical memory block can then be re-used for another page.

如果该分页没有经过修改，那么分页替换守护进程可以简单地将物理内存块标记为空闲，这样一来，就可以将该物理内存块重用于另一个分页。

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Although there is no commercial version of eXist, Mark Logic is a good replacement candidate for eXist when performance and scalability requirements go beyond capabilities of eXist.

尽管eXist没有商业版本，但是如果eXist的功能无法满足性能和可伸缩性需求，Mark Logic是不错的替代产品。

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South African businessman Mark Shuttleworth became the second space tourist when he purchased a ride on a Soyuz-replacement mission launched in April 2002.

南非商人Mark Shuttleworth是第二位太空游客，他乘坐2002年4月执行更换任务的联盟号进入太空。

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Sir Mervyn is to step down from the post of governor when his replacement Mark Carney takes over in July.

BBC: Bank of England upgrades economic growth forecasts

Cabrera is having a career year with a Wins Above Replacement mark that ranks fifth-highest among all position players in baseball.

FORBES: Melky Cabrera's $50 Million Mistake

However, the Scottish backs were also getting into their stride and young replacement Mark Robertson finished off a fine move after good work by Nick de Luca.

BBC: Irish Wolfhounds 34-19 Scotland A