CAB files are compressed files similar to ZIP, but specifically designed for Windows OS and Software components.

CAB文件是一些类似ZIP的压缩文件，但是它们是为Windows操作系统和软件组件特别设计的。

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After downloading the compressed file, extract it into a folder (for example, c: \ software \ Derby) and set a DERBY_HOME environment variable pointing to this folder.

下载此压缩文件后，将其提取到文件夹中(例如，c： \ soft ware \ derby)并设置DERBY_HOME环境变量，使其指向此文件夹。

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In the software package file format it is compressed to a much smaller size.

在软件包文件格式里被压缩成非常小的尺寸。

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