superscript & subscript symbol All In One

superscript & subscript symbol All In One

superscript / 上标

ª (feminine ordinal) 阴性序数
º (masculine ordinal) 阳性序数
ⁿ (superscript n)
¹ (superscript 1)
² (superscript 2)
³ (superscript 3)

⁰, ¹, ³, ⁴, ⁵, ⁶, ⁷, ⁸, ⁹, ⁺, ⁻, ⁼, ⁽, ⁾

https://en.wiktionary.org/wiki/superscript

https://en.wiktionary.org/wiki/²

https://graphemica.com/²

subscript / 下标

https://en.wiktionary.org/wiki/subscript

HTML tag <sup> & <sub>

N<sup>2</sup>

H<sub>2</sub>O

CO<sub>2</sub>

N²

H₂O

CO₂

https://en.wikipedia.org/wiki/Carbon_dioxide

demos

CDO CDO² CDO³ CDO⁴

O₂
O₃

https://en.wikipedia.org/wiki/Ozone

https://en.wikipedia.org/wiki/Oxygen

https://en.wikipedia.org/wiki/O2

refs

经济学，金融学：资产证券化 ABS All In One

https://www.cnblogs.com/xgqfrms/p/13959022.html

河流水质等级 All In One

https://www.cnblogs.com/xgqfrms/p/16754869.html

antonyms 反义词

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