Merging extents to get fewer extents (defragmentation) is beneficial to customers who have a large number of extents in a partition and are likely to run into the partition page overflow problem.

对于那些在一个分区中存在大量区段，并且会遇到分区页溢出问题的用户来说，合并区段来减少区段数量(碎片整理)是非常有好处的。

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A similar strategy is used to prevent the dreaded stack overflow, which occurs when navigating away from a page returns flow to a page that was previously traversed.

一个类似的策略用于防止可怕的堆栈溢出，当从一个页面导航回到前面已经遍历过的页面时，会发生堆栈溢出。

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So when you scroll the page to show the invisible part, the DIV is not big enough, causing the text to overflow.

所以，当滚动页面以查看不可见部分时，DIV不够大，导致文本溢出。

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