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
- pyrethroid insecticides
- pyrethroid pesticides
- pyrethroid poisoning
- Pyrex
- pyrex
- pyrheliometer
- pyrheliometry
- pyribambenz-isopropyl
- pyribambenz-propyl
- pyridaben
- pyridazine
- pyridine
- pyridine alkaloid
- pyridine poisoning
- pyridinone
- pyridione
- pyrido[2,3-b]pyridine
- pyrido[3,4-b]indole
- pyridoxal
- pyridoxal 5 phosphate
- pyridoxal 5-phosphate
- pyridoxal phosphate
- pyridoxamine
- pyridoxamine dihydrochloride
- pyridoxamine phosphate