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奧數(shù)英文標(biāo)點(diǎn)符號(hào)

時(shí)間:2021-07-05 12:25:01 數(shù)學(xué) 我要投稿

奧數(shù)英文標(biāo)點(diǎn)符號(hào)

  + plus加號(hào);正號(hào)

  - minus減號(hào);負(fù)號(hào)

  ±plus or minus正負(fù)號(hào)

  ×is multiplied by乘號(hào)

  ÷is divided by除號(hào)

 。絠s equal to等于號(hào)

  ≠is not equal to不等于號(hào)

  ≡is equivalent to全等于號(hào)

  ≌is equal to or approximately equal to等于或約等于號(hào)

  ≈is approximately equal to約等于號(hào)

 。糹s less than小于號(hào)

  >is greater than大于號(hào)

  ≮is not less than不小于號(hào)

  ≯is not more than不大于號(hào)

  ≤is less than or equal to小于或等于號(hào)

  ≥is more than or equal to大于或等于號(hào)

  % per cent百分之…

  ‰per mill千分之…

  ∞infinity無(wú)限大號(hào)

  ∝varies as與…成比例

  √(square) root平方根

  ∵since; because因?yàn)?/p>

  ∴hence所以

  ∷equals, as (proportion)等于,成比例

  ∠angle角

  ⌒semicircle半圓

  ⊙circle圓

  ○circumference圓周

  πpi 圓周率

  △triangle三角形

  ⊥perpendicular to垂直于

  ∪union of并,合集

  ∩intersection of 交,通集

  ∫the integral of …的積分

  ∑(sigma) summation of總和

  °degree度

  ′minute分

  ″second秒

  ℃Celsius system攝氏度

  {open brace, open curly左花括號(hào)

  }close brace, close curly右花括號(hào)

  (open parenthesis, open paren左圓括號(hào)

  )close parenthesis, close paren右圓括號(hào)

 。ǎ brakets/ parentheses括號(hào)

  [open bracket 左方括號(hào)

  ]close bracket 右方括號(hào)

  [] square brackets方括號(hào)

  。period, dot句號(hào),點(diǎn)

  |vertical bar, vertical virgule豎線

  &ampersand, and, reference, ref和,引用

  *asterisk, multiply, star, pointer星號(hào),乘號(hào),星,指針

  /slash, divide, oblique 斜線,斜杠,除號(hào)

  //slash-slash, comment 雙斜線,注釋符

  #pound井號(hào)

  backslash, sometimes escape反斜線轉(zhuǎn)義符,有時(shí)表示轉(zhuǎn)義符或續(xù)行符

  ~tilde波浪符

  。full stop句號(hào)

  ,comma逗號(hào)

 。篶olon冒號(hào)

  ;semicolon分號(hào)

 ?question mark問號(hào)

  !exclamation mark (英式英語(yǔ)) exclamation point (美式英語(yǔ))

  ‘a(chǎn)postrophe撇號(hào)

  -hyphen連字號(hào)

  ——dash 破折號(hào)

  ……dots/ ellipsis省略號(hào)

  single quotation marks 單引號(hào)

  double quotation marks 雙引號(hào)

  ‖ parallel 雙線號(hào)

  &ampersand = and

  ~swung dash 代字號(hào)

  §section; division 分節(jié)號(hào)

  →arrow 箭號(hào);參見號(hào)

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