| 缩写 | 全称 | 中文释义 |
|---|---|---|
| IO | Inside Out | 内而外 |
| IO | InputOutput | 输入输出 |
| IO | Input Output | 投入产出 |
| IO | IO Inferior oblique (of eye) | IO 下斜肌（眼） |
| I/O | In-Port Operations | 港口内作业 |
| IO | Incoming Order | 进货订单 |
| IO | Instant Offense | 即时进攻 |
| I&O | input and output (fluid monitoring) | 输入和输出（流体监测） |
| IO | Investigating Officer | 调查人员 |
| IO | India Office | 印度事务处 |