因此，压缩、重新打包、和收缩可能会像碎片整理程序一样，能够减少分区总的区段数量。
So compress, repack, and shrink might be able to reduce the total number of extents for a partition, just like the defragmenter.
碎片整理程序将分区中的多个小区段合并成较长的连续区段，从而减少分区中总的区段数量。
The defragmenter merges multiple smaller extents to get longer contiguous extents for a partition, thereby reducing the total number of extents in a partition.
结果：两个年龄组的牙龈出血检出率、牙石检出率以及牙石平均区段数，15岁年龄组明显高于12岁年龄组。
Results 15-year-old group is significantly higher than 12-year-old group in gingival bleeding detection frequency; dental calculus detection frequency and average section count.
结果表明吸烟者软垢指数与不吸烟者相同，龈炎区段数两者差异无显著性，吸烟者牙周炎区段数高于不吸烟者。
The results showed that there was no difference between smokers and non smokers on oral hygiene and gingivitis. The percentage of smokers with periodontitis was higher than that of non smokers.
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。
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。
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.
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