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
- channel electron multiplier
- channel entry
- channel essence
- channel expansion theory
- channel fading
- channel filter
- channel flow factor
- Channel Gap
- Channel Governance
- channel gradient
- channel guiding herb
- channeling
- channeling back
- channeling effect
- channeling effect and blocking effect
- channeling method
- channeling shaft protection
- Channeling spring streams and building lofty palaces
- channel interface
- channel island
- Channel Islands National Park
- channelized receiver
- channel letter
- channel management
- channel matrix