∬
∬ 二重积分
U+222C
复制并粘贴符号
符號含義
二重积分. 数学运算符.
二重积分 was approved as part of Unicode 1.1 in 1993.
Properties
| Age | 1.1 |
| Block | 数学运算符 |
| Bidi Paired Bracket Type | None |
| Composition Exclusion | No |
| Case Folding | 222C |
| Simple Case Folding | 222C |
编码
| 编码 | hex | dec (bytes) | dec | binary |
|---|---|---|---|---|
| UTF-8 | E2 88 AC | 226 136 172 | 14846124 | 11100010 10001000 10101100 |
| UTF-16BE | 22 2C | 34 44 | 8748 | 00100010 00101100 |
| UTF-16LE | 2C 22 | 44 34 | 11298 | 00101100 00100010 |
| UTF-32BE | 00 00 22 2C | 0 0 34 44 | 8748 | 00000000 00000000 00100010 00101100 |
| UTF-32LE | 2C 22 00 00 | 44 34 0 0 | 740425728 | 00101100 00100010 00000000 00000000 |