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
- droplet coalescence
- droplet combustion
- droplet digestion
- droplet enrichment
- droplet evaporation
- droplet microfluidics
- droplet microreactor
- dropleton
- dropleton, quantum droplet
- drop letters into the box
- droplet three-electrode system
- drop method
- drop model
- drop of magnetic potential
- Drop on-demand printing
- drop-out
- dropout
- dropout control
- drop-out fuse
- dropout rate
- drop-out value
- droppage
- dropped ceiling
- dropper
- dropping end