软件需求定义语言NDRDL的设计

ON THE DESIGN OF THE REQUIREMENTS DEFINITION LANGUAGE NDRDL

摘要: 本文概述了软件需求定义语言ＮＤＲＤＬ的设计目标及设计原则，并讨论了一些语言基本成分，如数据流图、控制流图、实体关系图等的设计。文中采用个人帐目管理系统（ＰＡＭＳ）作为示例。

Abstract: NDRDL is the source language of NDRASS which is a requirements analysissupport system recently developed. Its design goals and principles are given and somerationale concerning the language design is discussed in this paper.