| 缩写 | 全称 | 中文释义 |
|---|---|---|
| O&A | Odontectomy and Alveolectomy | 牙髓切除术和牙槽切除术 |
| OA | Overeaters And | 食人者 |
| OA | Ophthalmic Artery | 眼动脉 |
| OA | Open Architecture | 开放式体系结构 |
| OA | Osteo-arthritis | 骨性关节炎 |
| OA | Open Appserver | 开放式AppServer |
| OA | Office of Audit | 审计办公室 |
| OA | Orotic Acid | 乳清酸 |
| OA | Office of Applications (now OSTA) | 应用办公室（现为OSTA） |
| OA | Over Aged | 过度老化 |