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.
下面是与分层模式相关的两个具体构件：初始团队结构和初始配置管理数据存储结构。
There were, however, two concrete artifacts associated with the layers pattern: the initial team structure, and the initial configuration management data-store structures.
根据经编针织物CAD软件的开发和使用环境，选择了一种单表数据存储结构。
According to the development of CAD software for knitted fabrics and its operating environment, a single data table store structure is selected in this paper.
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