 |
 |
 |
| OA |
Office Automation |
办公自动化 |
| OCR |
Optical Character Recognition |
光学扫描字符识别 |
| OCT |
Octal |
八进制 |
| ODB |
Output to Display Buffer |
显示输出缓存 |
| ODBC |
Open Database Connectivity |
开放数据库连接 |
| OEM |
Original Equipment Manufacture |
初始设备制造商 |
| OH |
Off Hook |
（调制解调器）摘机 |
| OLCR |
Online Character Recognition |
在线手写识别 |
| OLE |
Object Linking and Embedding |
对象链接与嵌入 |
| OLTP |
Online Transaction Processing |
联机事务处理 |
| ONE |
Open Network Environment |
开放网络环境 |
| OPAC |
Online Public Access Catalog |
在线公共检索目录 |
| OS |
Operating System |
操作系统 |
| OSD |
On Screen Display |
屏幕显示（菜单） |
| OSI |
Open System Interconnection |
开放系统互连 |
| OSP |
Online Service Provider |
在线服务提供商 |
