ORB=omnidirectional radio beacon 全方向无线电信号
ORB 全称：Observatoire Royal de Belgique。比利时皇家天文台
系统软件 中间件 释文 object request broker, ORB 对象请求代理
- property C
- Property company
- property damage insurance
- property development of urban rail transit
- property dividend
- property income
- property in dance
- property insurance
- property insurance underwriting
- property line
- property management agency
- property manager
- property nationalization
- property of atomic nucleus
- property of electrostatic equilibrium in conductors
- property of flush fluid
- property of food
- property of liquid HeII
- property of liquid HeⅡ
- property of optimal substructure
- property of seismic ground motion
- property P
- property P conjecture
- property preservation
- property relation