Microsoft Word includes compare and merge functionality for documents and can be used for merging different versions of a document.

Microsoft Word自身包含了文件的比较与合并功能，并且可以用于合并一个文件的不同版本。

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ExamXML is a powerful tool to visually compare and merge the differences between XML documents.

ExamXML是一个强大的工具，用于可视地比较及合并x ML文档之间的差异。

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DeltaXML can enable you to search, compare, merge, and synchronize changes to XML documents.

DeltaXML可以让您搜索、比较、合并X ML文档，以及将更改同步到XML文档。

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