需求系统模型 QUAIDS ; complete demand system
近似理想需求系统模型 Almost Ideal Demand System ; AIDS
支出系统需求函数模型 Expend Linear Expenditure System ; ELES
系统采用面向对象的开发方法，用uml建模语言将系统需求模型化，并根据E - R模型分析结果建立后台数据库。
The system is developed by object-oriented method, and modeled by UML. According to E-R model analysis, the background database is established.
软件应用程序必须满足不同的涉众需求，因此描述这些系统的模型也一定具有复杂性。
Software applications must satisfy a diverse set of stakeholder needs, and consequently, the models describing these systems must likewise be complex.
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。
This would extend the typical developers' model of iterative development to include the requirements specification of the release and its system testing.
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