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
- phallotoxin
- Phan Boi Chau
- Phan Chu Trinh
- phanerogams
- phanerophytes
- Phanerozoic Eon
- phanerozoic eon
- phanerozoite
- Phangnga
- phanotron
- phantasmagoria
- phantom
- phantom acyclic complex
- phantom atom
- phantom atom; imaginary atom
- phantom crystal
- phantom dark energy
- phantom field
- phantom limb pain
- phantom limb phenomenon
- phantom pregnancy
- phantom telescope
- Phan Van Khai
- PHA-P
- Pharaoh