清理文件，将过期的或长期不用的需存档文件整理归档，一些临时性的过期文件全部清理清除；

Clean-up documents, expired or not the long-term need to archive documents prepared for the archives, some of the temporary removal of expired documents of all clean-up.

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删除\ 60 \ \文件中的过期的特性信息。

Delete outdated feature information in the \ 60 \ \ file.

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应用于任何策略的过期时间都是在该文件中指定的。

The expiration time applies to any policies specified in the file.

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