hierarchy data structure 阶层数据结构 ; 分层数据结构
A profile contains a hierarchy of profile categories, which split up the data that you can store into contextual areas, similar to a folder structure on disk.
一个配置文件包含一个配置文件类别结构,这个结构分隔存储在上下文区域中的数据,类似于磁盘上的文件夹结构。
In fact, these data categories are the real thing, and the hierarchy inside each profile is a virtual copy of the same structure.
实际上,这些数据类别是真实的,而配置文件中的结构则是这个结构的虚拟副本。
In a hierarchical data structure, each root record may have many associated records at the next level down in the hierarchy, and there may be many additional subordinate levels.
在一个分层的数据结构,每根的纪录,可能是有很多相关记录,在下次的水平下降,在层次,并有可能成为许多额外的下级。
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