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
- hyperbolic function
- hyperbolic functions of a complex variable
- hyperbolic geometry
- hyperbolic group
- hyperbolic helicoid
- hyperbolic homology
- hyperbolic icosahedron
- hyperbolic invariant set
- hyperbolic inverse function
- hyperbolic inverse point
- hyperbolic inversion
- hyperbolic involution
- hyperbolic isometric transformation
- hyperbolicity
- hyperbolic knot
- hyperbolic lemniscate function
- hyperbolic length
- hyperbolic line
- hyperbolic linear map
- hyperbolic logarithm
- hyperbolic manifold
- hyperbolic mapping
- hyperbolic measure
- hyperbolic meteor
- hyperbolic method