主要工作如下：（1）深入分析操作票专家系统应具备的功能，以此为基础设计系统的总体结构；

The main work is following:(1) Analyzing deeply the function of dispatching operation instructions ES, based on which the gross structure of the system is designed;

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这基本上是最终的准则，对于在所有的这个分析，和系统设计基础上的运行。

This is essentially the ultimate rule book for operations based on all of this analysis and system design.

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因此，UML经常作为能够促进以模型为中心的开发的系统和软件设计方法的基础。

As a consequence, UML is often the basis for system and software design approaches that encourage model-centric styles of development.

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