理学 元模型体系结构 释 object constraint language; OCL 对象约束语言 一种形式化的模型描述语言。用于描述统一建模语言（UML）模型的细节，既是UML规范的组成部分，也可视为一种独立的语言。
软件工程 释文 object constraint language, OCL 对象约束语言
- normal filter
- normal flora
- normal fluid
- normal fluid component
- normal fluid density
- normal focus
- normal force
- normal forest
- normal form
- normal formal representation
- normal formal series
- normal form detector
- normal-form game
- normal form of a Boolean function
- normal form of a differential equation
- normal form of a game
- normal form of a matrix
- normal form of an equation
- normal form of an operator
- normal form of a quadratic form
- normal form of a surface
- normal form of a system
- normal form of vector fields
- normal form push down automaton
- normal form theorem