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
- O-linked oligosaccharide
- olive
- olive family
- olive oil
- Olive Plantde in Haikou Tree Farm
- Olivera Hector
- Oliver Cromwell
- Oliver Goldsmith
- Oliver Hart
- Oliver Joseph Lodge
- Oliver Smithies
- Oliver Stone
- Oliver Tambo
- Oliver Wendell Holmes
- Oliver William Wolters
- olive-shaped vase
- Olives, Mountain of
- Olivetti & Co.Spa
- Olivia De Havilland
- olivine
- olivospinal tract
- Oljato
- ollization technology
- Olmec Art
- Olmec Civilization