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
- center of a Lie algebra
- center of an algebra
- center of a neighborhood
- center of an ellipse
- center of an ellipsoid
- center of a quadric
- center of area
- center of a representation
- center of a ring
- center of a set
- center of a sphere
- center of attaction
- center of buoyancy
- center of circumcircle
- center of curvature
- center of dispersion
- center of economic interest
- Center of Environmental Emergency and Accident Investigation, Ministry of Ecology and Environment of the People's Republic of China
- center of expansion
- center of figure
- center of force
- center of gravity
- Center of gravity method for facility location
- center of gyration
- center of homology