将它们按部门、地区和年份分类。

Classify them by branch, region, and year.

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分类可以考虑按部门、按时间、按活动类型、文档性质等。

Categories can be considered by department, by time, by activity type and file properties.

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分类可以考虑按部门、按时间、按活动类型、文档性质等。

Categories can be considered by department, by time, by activity type and file properties.

youdao