The using of data in information system is confronted with such a difficulty that data storage is based on relational model while software development is under object model.
提出并建立了一个软件框架，并就对象模式到关系模式的转换进行了研究。
The using of data in information system is confronted with such a difficulty that data storage is based on relational model while software development is under object model.
提出并建立了一个软件框架，并就对象模式到关系模式的转换进行了研究。
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