在关系型数据模型上增加了一种类聚型数据和一种间接地址存储数据方式，使更适合工程上的需要。

A new type of data cluster and an indirect addressing method are introduced. The improved database can be used more satisfactorily.

youdao

在关系型数据模型上增加了一种类聚型数据和一种间接地址存储数据方式，使更适合工程上的需要。

A new type of data cluster and an indirect addressing method are introduced. The improved database can be used more satisfactorily.

youdao