-
各种符号英文名称
+ 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)
summ
ation of
总和
°
degree
度
′ minute
分
〃
second
秒
℃
Celsius system
摄氏度
'exclaim'
=
'!'
'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'
=
'
'
- is called dash
.
period
句号
,
comma
逗号
:
colon
冒号
;
semicolon
分号
!
exclamation
惊叹号
?
question mark
问号
 ̄
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
《
》
French quotes
法文引号;书名号
...
ellipsis
省略号
¨
tandem colon
双点号
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
appro
ximately 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
…
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