ㆨ
U+31A8
注音字母Ir BOPOMOFO LETTER IR
| 浏览器默认显示 | ㆨ |
| 码位（点代码） | U+31A8 |
| 序号 | 12712 |
| 区段 | 注音符号扩展 |
| 加入Unicode版本 | 3.0 |
| HTML实体 | ㆨ 或 ㆨ |
| CSS | \31A8 |
| URL编码 | %E3%86%A8 |
| 域名编码 | xn--tjk |
| UTF编码 | |
| UTF-8 | 0xE3 0x86 0xA8 |
| UTF-16BE | 0x31 0xA8 |
| UTF-16LE | 0xA8 0x31 |
| UTF-32BE | 0x00 0x00 0x31 0xA8 |
| UTF-32LE | 0xA8 0x31 0x00 0x00 |