After defining the IT service, you come to the assemble phase for design, specification, creation, and testing.

定义IT服务以后，您将到达设计、规范、创建和测试的组装阶段。

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This would extend the typical developers' model of iterative development to include the requirements specification of the release and its system testing.

这将扩展典型的迭代式开发模型以包括发行的需求规范及其系统测试。

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Using MDD could significantly reduce these problems while enabling more accurate specification and testing of the system's logical high-level functionality.

利用MDD可以在使您能够进行系统的逻辑高层次功能的更精确的规范和测试的同时，大大地减少这些问题。

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Testing and specification work is done, and sea trials are underway now.

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The goal is to deliver a comprehensive and technically detailed specification using proven technology validated by careful technical scrutiny and rigorous testing.

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