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Tuesday, February 15, 2011

Symbols in English

  +  plus 加号;正号
 -  minus 减号;负号
 ± plus or minus 正负号
  × is multiplied by 乘号
 ÷ is divided by 除号
 = is equal to 等于号
 ≠ is not equal to 不等于号
 ≡ is equivalent to 全等于号
 ≌ is equal to or approximately equal to 等于或约等于号
 ≈ is approximately equal to 约等于号

 < is less than 小于号
 > is more than 大于号
 ≮ is not less than 不小于号
 ≯ is not more than 不大于号
 ≤ is less than or equal to 小于或等于号
 ≥ is more than or equal to 大于或等于号
 %  per cent 百分之...
 ‰ per mill 千分之...
 ∞ infinity 无限大号
 ∝ varies as 与...成比例

 √ (square) root 平方根
 ∵ since; because 因为
 ∴ hence 所以
 ∷ equals, as (proportion) 等于,成比例
 ∠ angle 角
 ⌒ semicircle 半圆
 ⊙ circle 圆
 ○ circumference 圆周
 π pi 圆周率
 △ triangle 三角形

  ⊥ perpendicular to 垂直于
 ∪ union of 并,合集
 ∩ intersection of 交,通集
 ∫ the integral of ...的积分
 ∑ (sigma) summation of 总和
 ° degree 度
 ′ minute 分
 ″ second 秒
 ℃ Celsius system 摄氏度

  { open brace, open curly 左花括号
  } close brace, close curly 右花括号
  ( open parenthesis, open paren 左圆括号
  ) close parenthesis, close paren 右圆括号
  () brakets/ parentheses 括号
  [ open bracket 左方括号
  ] close bracket 右方括号
  [] square brackets 方括号
  . period, dot 句号,点
  | vertical bar, vertical virgule 竖线

  & ampersand, and, reference, ref 和,引用
  * asterisk, multiply, star, pointer 星号,乘号,星,指针
  / slash, divide, oblique 斜线,斜杠,除号
  // slash-slash, comment 双斜线,注释符
  # pound 井号
  \ backslash, sometimes
  escape 反斜线转义符,有时表示转义符或续行符
  ~ tilde 波浪符

  . full stop 句号
  , comma 逗号
  : colon 冒号
  ; semicolon 分号
  ? question mark 问号
  ! exclamation mark (英式英语) exclamation point (美式英语)
  ' apostrophe 撇号
  - hyphen 连字号
  -- dash 破折号
  ... dots/ ellipsis 省略号

  " single quotation marks 单引号
  "" double quotation marks 双引号
  ‖ parallel 双线号
  & ampersand = and
  ~ swung dash 代字号
  § section; division 分节号
  → arrow 箭号;参见号


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