extents
英 [ɪksˈtɛnts]
美 [ɪkˈstɛnts]
n. 程度; 限度; 大小; 面积; 范围
extent的复数
双语例句
- It also includes extents with multi-block and delayed block allocation for performance.
它还包括多块和延迟块分配，以提升性能。 - Secondary log file extents are allocated dynamically by the queue manager when the primary files are exhausted.
次日志文件扩展由队列管理器在主文件耗尽的情况下动态分配。 - Ext4 replaces ext3's mechanism with extents to improve allocation and support a more efficient storage structure.
ext4使用区段取代ext3的机制，从而改善了空间的分配，并且支持更加高效的存储结构。 - 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。 - 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。 - There are two problems with tables that have lots of extents, or at least there used to be.
那些有很多盘区、或者至少曾经有过的表，存在两个问题。 - When using circular logging log file extents are reused once they no longer contain active log data.
使用循环日志记录时，当日志文件扩展不再包括活动数据日志时，会将其进行重新使用。 - 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。 - RESULTS Twenty dermal ulcer patients recovered, 6 mummification necrosis patients improved at some extents.
结果26例中有20例皮肤溃疡者基本痊愈，6例干性坏疽者有不同程度的好转。 - 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。