面向对象的工程能够比较容易的从内部代码设计跟踪到功能设计和需求。
Well-engineered object-oriented design can make it easier to trace from code to internal design to functional design to requirements.
通过对动态数据特性的分析，建立了以工程需求为驱动，由人员管理模型、产品对象模型及过程管理模型等组成的PD M应用框架。
By analyzing dynamical data and engineering (requirement -) driven, PDM application frame is set up including person managing model, product object model and process managing model.
借用面向对象的思想提出了一种需求工程中问题分析的结构化建模方法。
This paper brings a structure method for the project of requirement analyses using the idea of OOA.
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