集群是磁盘上的一个区域，这个区域在安装时初始化并由一个目录组成，所有数据都存储在这个目录中。

A cluster is an area on the disk that is initialized during installation and consists of a single directory where all the data is stored.

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例如，您可以在安装期间创建数据库表以便组件可以存储应用程序数据。

For example, you can create database tables during installation so that the component can store application data.

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在过去，移动意味着在笔记本计算机上本地安装全套程序并存储所有数据，然后带着它离开办公室。

Traditionally, going mobile has meant carrying around a laptop device, with a full set of local programs and data to work away from the office.

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