符号的英文读法
． period 句号
孕妇能吃芹菜吗≈ is approximately equal to 约等于号谍战剧排行榜前十名
， comma 逗号
＜ is less than 小于号
： colon 冒号
＞ is more than 大于号
； micolon 分号
≮ is not less than 不小于号
！ exclamation 惊叹号
≯ is not more than 不大于号
？ question mark 问号
≤ is less than or equal to 小于或等于号
￣ hyphen 连字符
≥ is more than or equal to 大于或等于号
警钟常鸣
' apostrophe 省略号
；所有格符号
％ per cent 百分之…
- dash 破折号
‰ per mill 千分之…
' ' single quotation marks 云南土特产有哪些单引号
∞ infinity 无限大号
double quotation marks 双引号
∝ varies as 与…成比例
( ) parenthes 圆括号
√ (square) root 平方根
[ ] square brackets 方括号
∵ since; becau 因为
《蓊蓊郁郁 》 French quotes 法文引号;书名号
∴ hence 所以
.
.. ellipsis 省略号
∷ equals, as (proportion) 等于，成比例
¨ tandem colon 双点号
∠ angle 角
ditto 双点号
⌒ micircle 半圆
‖ parallel 双线号
⊙ circle 圆
／ virgule 斜线号
屋面卷材防水○ circumference 圆周
＆ ampersand = and
π pi 圆周率
～ swung dash 代字号
△ triangle 三角形
§ ction; division 分节号
⊥ perpendicular to 垂直于
→ arrow 箭号；参见号
∪ union of 并，合集
＋ plus 加号；正号
胆小是什么原因引起的
∩ interction of 交，通集
－ minus 减号；负号
∫ the integral of …的积分 shait
± plus or minus 正负号
( ∑ sigma) summation of 总和
× is multiplied by 乘号
° degree 度
÷ is divided by 除号
′ minute 分
＝ is equal to 等于号
″ cond 秒
≠ is not equal to 不等于号
＃ number …号
≡ is equivalent to 全等于号
℃ Celsius system 摄氏度
≌ is equal to or approximately equal to 等于或约等于号
好的创业项目
＠ at 单价
R’ R prime
R” R double prime, R cond prime
R1 R sub one
100° C one hundred degrees Centigrade
+ plus; positive
- minus; negative
´ multiplied by; times
¸ divided by
± plus or minus
= is equal to; equals
º is identically equal to
» is approximately equal to
( ) round brackets; parenthes
[ ] square brackets
{ } braces
a＞＞b a is much greater than b
a³ b a is greater than or equal to b
aµ b a varies directly as b
lognX logX to the ba n
the cubic root of x
the nth root of x
x2 x square, x squared, the square of x
Xn X to n factors; the nth power of x; x to the power n
x -8 x to the minus eighth power
ï xï the absolute value of x
the mean value of X
the sum of the terms indicated; summation of
D x or d x the increment of x
dx differential x
dy/dx the first derivative of y with respect to x
ò integral
¥ infinity
1/2 a half; one half
2/3 two thirds
5/123 five over a hundred and twenty-three
eight and three over fourths; eight and three quarters
0.01 O point O one; zero point zero one; nought point nought one
6 % 6 percent
3‰ 3 per mille
2 : 3 the ratio of two to three
r=xd r equals x multiplied by d
5´ 2=10 five times two equals ten
x3/8=y2 x raid to the third power divided by eight equals y squared
(a+b-c´ d)/e=f a plus b minus c multiplied by d, all divided by e equa
ls f
y = (Wt-W)/x y equals W sub t minus W over x
