理学 共济失调 释 optic ataxia；OA 视觉共济失调 患者可以看到和描述目标物体，但不能运用视觉信息去指引肢体运动的一种障碍。
计算机应用 信息系统与信息化 释文 office automation, OA 办公自动化
- open-cutting works
- open cybernetic system
- open cycle
- open data
- Open Data Charter
- open data database connectivity
- open data database connectivity, ODBC
- open data policy
- open development strategy
- open die forging
- open differential relation
- Open Directory Project
- open disk
- Open Document Format
- open domain
- Open Door
- open drain caisson
- open drain system
- open economy
- open economy system
- open ecosystem
- opened composition
- open edge sequence
- open edge train
- Open Education Research