所以当每笔数据或是每一分析单位被储存在一笔实体记录时这种档案结构就称为”逻辑记录长度”。

Thus, when the data for each case or unit of analysis is stored in a single physical record, the file structure is called "logical record length."

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而一个层级式档案可以用长方形档案结构储存，亦即所有的分析单位都存到单一笔的实体记录中。

A Hierarchical file can be stored in a rectangular file structure by storing all units of analysis in a single physical record.

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