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
- least absolute deviation estimator (estimate)
- least absolute remainder
- least action
- least angel regression
- least angle regession
- least angle regression
- least bound
- least cardinal number
- least common denominator
- least common multiple
- least common multiple matrix
- least concerned
- least core
- least covering
- least deficient number
- least developed countries
- least divisor
- least element
- least favorable distribution
- least favorable prior distribution
- least fixed point
- least group congruence
- least harmonic majorant
- least harmonic majorant function
- least horseshoe bat