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。
On a subsequent scan, if a newly computed checksum is different from the previously generated checksum, the page is changing and is therefore not a good candidate for merging.
在一次后续扫描中，如果新计算的校验和不等于此前计算的校验和，则该页面正在更改，因此不是一个合格的合并候选对象。
Merging the course directory and course detail pages (and Ajaxifying the underlying code) allows you to show course details without loading a new page.
将此球场目录和球场细节页合并起来(并将低层代码ajax化)可以让您显示球场的细节信息而无需加载新页。
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