各种符号的英文读法


'exclam'='!' 
'at'='@' 
'numbersign'='#' 
'dollar'='$' 
'percent'='%' 
'caret'='^' 
'ampersand'='&' 
'asterisk'='*' 
'parenleft'='(' 
'parenright'=')' 
'minus'='-' 
'underscore'='_' 
'equal'='=' 
'plus'='+' 
'bracketleft'='[' 
'braceleft'='{' 
'bracketright'=']' 
'braceright'='}' 
'semicolon'=';' 
'colon'=':' 
'quote'=''' 
'doublequote'='"' 
'backquote'=''' 
'tilde'='~' 
'backslash'='\' 
'bar'='|' 
'comma'=',' 
'less'='<' 
'period'='.' 
'greater'='>' 
'slash'='/' 
'question'='?' 
'space'=' ' (来源:专业英语学习网站 http://www.EnglishCN.com)

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 ̄ hyphen 连字符 
' apostrophe 省略号;所有格符号 
— dash 破折号 
‘ ’single quotation marks 单引号 
“ ”double quotation marks 双引号 
( ) parentheses 圆括号 
[ ] square brackets 方括号 
Angle bracket 
{} Brace 
《 》French quotes 法文引号;书名号 
... ellipsis 省略号 
¨ tandem colon 双点号 
" ditto 同上 
‖ parallel 双线号 
/ virgule 斜线号 
& ampersand = and 
~ swung dash 代字号 
§ section; division 分节号 
→ arrow 箭号;参见号 
+ 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 
# number …号 
℃ Celsius system 摄氏度 
@ at 单价
x'是x prime(比如转置矩阵)
x"是x double-prime

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