理学 系统分析模型 释 object-oriented analysis; OOA 面向对象分析 采用面向对象方法的基本思想进行系统研究的方法，即按照面向对象的思想来研究业务，包括建立系统的需求模型（用况图），确定业务问题中的对象及其对象层次（类图），运用面向对象概念进行类图各个层次的建模等，还包含具体的过程指导。
OOA=optimum orbital altitude 轨道最适高度
软件工程 释文 object-oriented analysis, OOA 面向对象分析
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