Using a stereotype, the user can basically say to the modeling tool "I have a concept that is almost a class (or an object, actor, association, and so forth), but is more specialized."

使用构造型，用户基本上可以对这种建模工具说“我有一个概念与类(或者对象、参与者、关联，等等)相似，但是更加具体。”

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For example, a team working on object-relational data mapping may be using a modeling tool with a set of MDA transformations.

例如，一个进行关于对象的数据映射的团队可能会利用建模工具进行一组mda转换。

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UML is a tried and tested modeling tool for object-oriented systems, and it is attractive for developers, business analysts, and vendors as a medium for designing XML schemas.

UML是一种经过试验和测试的用于面向对象系统的建模工具，作为设计XML模式的一种媒介，它对开发人员、业务分析人员和供应商都极具吸引力。

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