软件的开发过程采用面向对象的设计方法，运用统一模型语言（UML）描述各对象之间的联系。

The object-oriented design method is used during programming, and the objects' relations are described by the Unified Modeling Language (UML).

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目前，动态语言的互操作性存在的最大问题是缺乏统一的对象模型。

Currently the biggest problem with dynamic language interoperability is the lack of a unified object model.

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RDA能够在统一建模语言(uml)与逻辑数据模型之间进行相互转换。

RDA provides transformation from Unified Modeling Language (UML) to the Logical Data Model and vice versa.

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