MathML has an obvious role to play here, either as the native file format within the zip container or as an interoperability layer between different systems.

MathML在这里扮演一个明显的角色，即充当zip容器中原生的文件格式，或者作为不同系统之间的协作层。

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Once the auditing period is over, the audit file can be converted from its native, raw format into a readable text file.

审计结束后，便可以将审计文件从它本地的原始格式转换成一种易读的文本文件。

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As with all files saved in OpenOffice native format, this is actually a ZIP file that contains a set of XML and other support files — a bundling known as the OpenOffice package format.

由于所有文件都是以openoffice本机格式保存的，所以这实际上是一个包括一组XML和其它支持文件的ZIP文件—一种称为OpenOffice包格式的捆绑包。

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