extents

英 [ɪksˈtɛnts]

美 [ɪkˈstɛnts]

n.  程度; 限度; 大小; 面积; 范围
extent的复数

计算机

双语例句

• To quantitatively determine urban land use extents and development densities, sub-pixel impervious surface areas were mapped for this area.
  为了量化城市土地利用程度和开发密度，对研究区基于子像元的非渗透表面丰度进行了分类。
• Use oncheck-pt to check on the number of partition extents after defragmentation.
  可在碎片整理完成后，利用oncheck-pt来检查分区区段的数量。
• The second problem, of course, is that a table or an index with many highly active extents will suffer from performance degradation due to increased disk head movement and increased contention for head positioning with other objects in the database.
  当然，第二个问题是，有很多高度活跃的盘区的一个表或索引将遭遇性能降低，因为磁头移动的增加和磁头与数据库中其他对象的位置争用的增加。
• For maximum efficiency, frequently accessed tables should have as few extents as possible.
  为达到效率最大化，频繁访问的表区段应当越少越好。
• 10 primary extents and10 secondary extents for the log specified with the-lp10 and-ls10 flags.
  使用-lp10和-ls10标志为日志指定10个主扩展和10个次扩展。
• The use of different fibers will affect all the selection criteria, although to different extents.
  使用不同的纤维原料会影响织物的各项性能，尽管影响的程度不同。
• Extents are a collection of eight physically contiguous pages and are used to efficiently manage the pages.
  区是八个物理上连续的页的集合，用来有效地管理页。
• If tables have too many extents, it is very likely that those extents are interleaved.
  如果表拥有太多区段，那些区段就很可能是交错的。
• Although you can allocate additional extents, the blocks themselves are allocated separately.
  尽管你可以进行额外的扩展，但是块本身是被隔开分派的。
• Three extents can be seen in this table.
  可以看到，该表中有三个区段。