层级式档案是指：档案内的数据报含了多种的分析单位所构成的信息，而且每一种分析单位之间有从属的关系。
A hierarchical file is one that contains information collected on multiple units of analysis where each unit of analysis is subordinate to another unit.
层级式档案是指：档案内的数据报含了多种的分析单位所构成的信息，而且每一种分析单位之间有从属的关系。
A hierarchical file is one that contains information collected on multiple units of analysis where each unit of analysis is subordinate to another unit.
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