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
- pesticide standards
- pesticide wastewater
- pesticin
- pestilence
- pestilential qi
- pestilent toxicity
- pest immune diagnosis technology
- pest immunoregulation
- pestle and mortar
- Pest Management Science
- PEST Model
- pest molecular regulation technique
- pest monitoring
- pest occurrence period prediction
- pest- or disease- free areas
- pest pathogenic bacteria
- pest physiological regulation
- pest population regulation
- pest prediction and forecast
- pest resistance to pesticide
- pest-resistant gene
- pest risk analysis
- pest risk assessment method
- pest risk early warning method
- pests management