沪江

符号的英语表达(上)

2015-05-16 17:45
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+  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 greater 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
 

⌒ semicircle
 
半圆

⊙ circle
 

○ 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

′ minute

″ second

℃ Celsius system
摄氏度

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