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
- pulverized coal conveying by using exhaust gas
- pulverized coal conveying by using hot air
- pulverized coal conveying by using warm air
- pulverized coal conveying system
- pulverized coal injection of blast furnace ironmaking
- pulvillus
- pulvinar
- pulvinis
- pulvinus
- puma
- Pu Manting
- Pumaonongzi
- pumex
- pumice
- Pumi costume
- Pumi dance
- Pumi literature
- Pumi music
- pummelo peel
- Pummerer rearrangement
- pump
- pumpable time
- pumpage
- pump agent
- pump and probe experiment