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
- pitch marks
- pitch of a helix
- pitch offset calibration
- pitchout
- pitchover
- pitch/rake
- pitch range
- pitch registration
- pitchstone
- pitch synchronous overlap add
- pitch system
- pitch time
- pitch／rake side
- Pitesti
- pit-filling problem
- pith
- Pithecanthropus
- pi-theorem
- pith ray
- Pithy Formulas of Painting
- pith（plant）
- pitiao strap-swining
- P-T-t轨迹
- Pitirim Alexandrovitch Sorokin
- Pitiscus