Models and model driven software development are at the heart of the MDA approach.

模型和模型驱动的软件开发是MDA方法的核心。

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The main reason was that they wanted UML models to be capable of delivering Model Driven Architecture (MDA), which meant that the UML had to function as a more model driven notation.

主要的理由是，他们希望 UML 模型能够表达模型驱动架构（MDA），这意味着 UML 必须支持更多的模型驱动的符号。

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Enterprise modeling is a foundation for establishing an enterprise service-oriented architecture (SOA), model driven development (MDD), and model-driven architecture (MDA).

企业建模是建立企业服务型的构架(SOA)，模型驱动开发(MDD)以及模型驱动构架(MDA)的基础。

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