Social action unit is not only a quantity concept but also a relation category.
社会行动单位既是一个数量概念，也是一个关系范畴。
On large amount of document category quantity, hierarchical text classification is an effective approach.
在文本分类的类别数量庞大的情况下，层次分类是一种有效的分类途径。
For literature you can list the total quantity of each category on one form.
对于文献，您可以把每个产品系列的总数量列在一张表上。
Fix the category, quantity and time of bidding;
确定招标类别、招标数量和招标时间；
Fix the category, quantity and time of bidding;
确定招标类别、招标数量和招标时间；
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