| 缩写 | 全称 | 中文释义 |
|---|---|---|
| UB2 | Urinary Bladder 2 acupuncture point | 膀胱2穴 |
| UB-2 | University Bi-weekly-produced hourly report | 大学每两周制作一次小时报告 |
| UB2 | Upper Bound number 2 | 上限数字2 |
| UB2 | Universal Backup generator, Model 2 | 通用备用发电机，型号2 |
| UB2 | Under-Balcony loudspeaker, Model 2 | 阳台下扬声器，型号 2 |