Discussion of precursors to XML file formats usually include comma-delimited file formats, which are very often used for import and export of spreadsheets and databases.

对XML文件格式前身的讨论通常会包括用逗号分隔的文件格式，这些格式极频繁地用于电子表格和数据库的导入和导出。

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The import and export files work together, where the import file contains important information about the export, helping any number of clients to import a target service.

导入和导出文件一起工作，其中导入文件包含关于导出的重要信息，可帮助任意数量的客户机导入目标服务。

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In this section, you learn how to work with the data received from the flat-file export and how to work with data in flat files using the flat-file import.

在此部分中，您将学习如何处理从平面文件导出构件接收的数据，以及如何处理使用平面文件导入构件的平面文件中的数据。

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