计算机应用 信息系统与信息化 释文 decision support system, DSS 决策支持系统
- Orr
- or rap
- orrery
- orresponding image rays
- Orrorin
- Orr-Sommerfeld equation
- Orr theorem
- ORS
- Orsanmichele
- Orsay Museum
- Orsha
- Orson Welles
- or, Street Life in New York with the Boot-Blacks
- ORT
- Ortai
- Ortega
- ortet
- orthant
- or, The Ambiguities
- orthic axis
- orthic circle
- orthic inconic
- orthicon
- orthic triangle
- ortho