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
- trademark right
- trademark right confirmation
- trade model
- trade name
- trade off
- trade-off
- trade of forest products
- trade-off theory
- trade of grass products
- trade prohibition of sea area in Min & Qing dynasty
- Trade Promotion
- trade remedy measures
- trade sacrificial opera
- trade screening
- trade secret
- trade secret information
- trade secret protection
- trade show intelligence
- trade union
- trade ware house
- trade wind
- trading city
- Trading Places
- trading port
- Trading Post