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上标

圖中的bar字母就是上標

上标,也叫上角标,是出现在一列正常字体文字的上边的数字字母或其他符号,在其他字母或符号的左边或右边。

上标具有多种用途,常用于公式、数学式或化学复合物同位素。也能用于指示文章中一列註腳。在英文中,有时將序数词的结尾写成上标(如 1st、2nd、3rd代替1st、2nd、3rd)。

軟體設定

  • Microsoft Word中,可使用「CTRL + SHIFT + =」指令使用上標文字,或點選「字型」選項設定
  • HTMLwikitext中,可將上標文字放在<sup></sup>的中间
  • Unicode中,有一些特殊的上标 ,如⁰¹²³⁴⁵⁶⁷⁸⁹⁺⁻⁼⁽⁾ⁿⁱ
  • TeX的数学模式中(在MediaWiki中使用),上标用符号 ^ 设定:$X^{ab}$生成

参考文献

参见

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上标
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