许多书19描述了一个设计师如何从用例规范系统的创建面向对象分析模型。
A number of books 19 on this subject describe how a designer systematically creates object-oriented analysis models from use-case specifications.
正如James Martin和James Odell很久以前在《面向对象分析设计》中所写的，分析师、设计师和实现者都应该使用同一系统模型。
As James Martin and James Odell wrote long time ago in their book "Object-Oriented Analysis and design," analysts, designers, and implementers should all use the same system model.
建立了合理的数据结构及适当的类等级，从而完成了整个软件系统的面向对象分析和设计模型。
And then, data structure and classes grade were built up, the objects and the model of the software system were completed.
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