存储器层次结构 storage hierarchy ; hierarchical memory ; memory hierarchy
分布式类层次存储结构 distributed class hierarchy
就其性质而言，关系数据库比层次数据存储结构(如xml)更灵活。
Relational databases are, by their nature, more flexible than hierarchical data storage structures such as XML.
许多系统使用一个替代的层次结构来存储非核心软件。
Many systems use an alternate hierarchy to store non-core software.
在另外一些情况中，存储库的层次结构可以代表一种底层文件系统，将内容限制在一个单一位置上。
In other cases, the repository hierarchy could be representative of an underlying file system, with content being limited to a single location.
应用推荐