Now, I'd like to touch briefly on extension and compression.
现在，我来简单地提及一下拉张与挤压。
Shannon showed how to calculate this limit, opening the way to the design of compression methods that cram maximum information into the minimum space.
香农展示了如何计算这个限度，这为设计压缩方法将最多的信息填入最小的空间开辟了道路。
It works in compression to divert the weight above it out to the sides, where the weight is borne by the vertical elements on either side of the arch.
在受到压力时，拱形结构能够起到将其上面的压力转移到侧面，在侧面的重量则由拱形结构两侧的垂直部分来承受。
No air bubbles were present in the green ice, suggesting that the ice was not formed from the compression of snow but instead from the freezing of seawater.
绿色冰层中不含气泡，这表明了这种冰层是由冻结的海水形成的，而不是凝结压紧的积雪。
Although many of these storage media have high capacity, a backup tool with compression capabilities is a big plus, eliminating the inconvenience of multiple disks or large uploads.
尽管这些存储介质中有许多具有高容量，但具有压缩能力的备份工具是一大优势，它消除了多个磁盘或大型上传的不便。
The principal component analysis implements the column-wise compression, using the correlation between attributes.
主成分分析使用属性之间的相关性实现按列压缩。
Listing 4 shows the compression.
清单4显示了该压缩。
Row compression was introduced in DB2 9.
行压缩是在DB 29中引入的。
ZLIBFAST — Faster compression algorithm.
ZLIBFAST———快速压缩算法。
Compression knee bands discourage bending.
压缩膝盖的带子阻止我弯腿。
Compression using value compression row format.
使用值压缩行格式的压缩。
Prefix compression is used on similar key values.
前缀压缩用于相似的键值。
The latter shows how compression and transmission.
后者显示如何执行压缩和传输。
You can improve the efficiency by using compression.
您可以通过压缩来提高其效率。
A built-in compression feature helps reduce form size.
内置的压缩特性可以帮助减小表单的大小。
Requirements gathering is a lossy form of compression.
需求收集是一种有损压缩。
Administrators can specify various compression levels.
管理员能够指定各种压缩级别。
Additional compression providers can be created if necessary.
如果有必要，可以创建额外的压缩提供器。
These tools include compression, pack, shrink, and defragment.
这些工具包括压缩、打包、收缩、和碎片整理。
The compression can be applied to all partitions or some partitions.
压缩可应用于所有分区或部分分区。
The system default compression feature needs to be enabled per column.
系统默认值压缩特性需要对每个列单独启用。
The compression ratios were noted from individual products' log files.
压缩比是从单个产品的日志文件标记录出来的。
It is quite likely that these techniques obtain additional compression.
这些技术相当有希望获得附加压缩。
Possible uses for send and receive exits include compression or logging.
发送和接收出口的可能用途包括压缩或日志记录。
The following example shows how to create partition table with compression.
下面的例子展示如何创建采用压缩的分区表。
Static compression. Pre-compression, for when static pages are the delivery
预压缩，用于发送静态页面
At small block sizes, compression is much worse than file-level compression.
块大小比较小时，压缩比文件级别压缩差很多。
Database backup Compression (V8 FP4) : Compression to result in smaller backup images.
数据库备份压缩(V8 FP4)：通过压缩产生较小的备份映像。
Database backup Compression (V8 FP4) : Compression to result in smaller backup images.
数据库备份压缩(V8 FP4)：通过压缩产生较小的备份映像。
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