The topology editor creates a matching bound virtual image unit (Figure 20) that contains disk definition units and network connection units, according to the data in the virtual image file.

拓扑编辑器创建了一个匹配的虚拟镜像单元(图20)，根据虚拟镜像的数据，它包含了硬盘定义单元以及网络连接单元。

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As the name suggests, the data source is a connection to the source from which the report retrieves data, such as a server, database, or file.

正如名字所暗含的那样，数据源就是对获取数据源头的链接，例如一个服务器、数据库或者文件。

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File status okay; about to open data connection..

文件状态正确，正在打开数据连接。

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