工学 航空电子系统确认及验证 释 line replaceable unit; LRU 外场可更换单元 从结构、功能或电气上，把飞行器零部件、系统或设备划分成若干在外场级维修中可以拆卸或更换的独立单元。
计算机体系结构 存储系统 释文 least recently used, LRU 最近最少使用
- additive semigroup
- additive set-function
- additive space
- additive stochastic process
- additive structure
- additive subgroup
- additive/subtractive hybrid manufacturing technology
- additive synthesis
- additive system
- additive system of photographic exposure
- additive term
- additive theory
- additive theory of ideals
- additive theory of numbers
- additive theory of prime numbers
- additive type
- additive-type fire-retardant polymeric materials
- additive uniform structure
- additive valuation
- additive vector measure
- additivity
- additivity axiom
- additivity law
- additivity of information
- additivity of probability