各种符号用英语怎么念
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- 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 参考技术A dot 参考技术B dot 参考技术C 这太多了.... 参考技术D 你说的是什么符号?标点符号?
英文中各种符号标点都怎么说
参考技术A 英文中各种符号标点都怎么说2x(-4)=-8你能用英语把这个等式(equation)读出来吗?被难倒了吧!别着急!看完下面双语君给你整理的各种数学符号和标点符号的英文表达,你马上就会说了!
数学符号
Mathematical symbols
01
+: plus 加号;正号
“1+1”读作:one plus one
02
-: minus; negative 减号;负号
“2-1”读作:two minus one
“-3”读作:minus three或negative three
“2-(-3)”读作:two minus negative three
03
±: plus-minus sign 正负号
“±1” 读作:plus or minus one
04
×: multiplied by ; times 乘号
“2×3” 读作:two multiplied by three 或 two times three
05
÷: divided by 除号
“4÷2”读作:four divided by two
06
=: equals; is equal to 等于号
“1+1=2”读作:One plus one equals two.
或 One plus one is equal to two.
07
≠: is not equal to 不等于号
“a≠b”读作:a is not equal to b
08
≌: congruent to 全等(两个图形形状相同、大小相等)
“△ABC≌△DEF”读作:Triangle ABC is congruent to Triangle DEF.
09
≈: approximately equal to 约等于号
“3×3≈10” 读作:Three multiplied by three is approximately equal to ten.
10
<: is less than 小于号
“1<2”读作 One is less than two.
11
>: is greater than 大于号
“2>1”读作:Two is greater than one.
12
≮: is not less than 不小于号
“3≮2”读作:Three is not less than two.
13
≯: is not greater than 不大于号
“2≯4” 读作:Two is not greater than four.
14
≤: is less than or equal to 小于或等于号
“2≤3”读作:Two is less than or equal to three.
15
≥: is greater than or equal to 大于或等于号
“5≥4”读作:Five is greater than or equal to four.
16
%: percent 百分之……
“10%”读作:ten percent
17
‰ : per mill ; per thousand 千分之……
“10‰”读作:ten per thousand
18
∞: infinity 无限大号
“-∞” 读作:negative infinity
19
∝: varies as 与...成比例
“X∝Y”读作:X varies as Y
20
√ ̄: square root 平方根
“√ ̄16=4”读作:The square root of sixteen is four.
21
3√ ̄: cube root 立方根
“3√ ̄27=3”读作:The cube root of 27 is 3.
22
∵: since; because 因为
“∵1+1=2”读作:because one plus one equals two
23
∴: hence; therefore 所以
“∴1<2”读作:hence one is less than two
24
∠: angle 角
“∠A”读作:angle A
“∠A +∠B+∠C=180°”
读作:The measure of angle A plus angle B plus angle C equals 180 degrees.
25
⌒: semicircle 半圆
“⌒AB”读作:semicircle AB
26
⊙: circle 圆
“⊙A”读作:circle A
27
○: circumference 圆周
“○=π×d”读作:Pi multiplied by d equals circumference.
28
π: pi constant 圆周率
“π×d”读作:pi multiplied by d
29
△: triangle 三角形
“△ABC”读作:triangle ABC
What is the area of triangle ABC? 求三角形ABC的面积。
30
⊥: perpendicular to 垂直于
“A⊥B”读作:A is perpendicular to B.
31
//: parallel to 平行于
Line AB is parallel to line CD.
32
∪: union of 并,合集
“A∪B”读作:the union of A and B
33
∩: intersection of 交,通集
“A∩B”读作:The intersection of A and B
34
∫: the integral of ……的.积分
“∫x”读作:the integral of x
35
∑: summation of 总和
“∑x”读作:the summation of x
36
equation 方程式、等式
“y = kx” 读作:
Y varies as x.
K is "the constant of variation.
y与x成正比(y是x的正比函数),k是常数。
“y = k/x”读作:
Y varies inversely as x.
y与x成反比例(y是x的反比例函数)。
°
degree 度
′
minute 分
″
second 秒
℃
Celsius degree 摄氏度
℉
Fahrenheit degree 华氏度
@
at sign
curly brackets 波形括号
[ ]
square brackets 方括号
()
parentheses ; brackets; round brackets 括号
(
open parenthesis 左括号
)
close parenthesis 右括号
.
point/dot 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; stroke; solidus 斜线,斜杠,除号
//
slash-slash; comment 双斜线,注释符
#
number sign; pound sign; hash 井号
\
backslash 反斜线转义符
~
tilde 波浪符
.
full stop; period 句号
,
comma 逗号
:
colon 冒号
;
semicolon 分号
?
question mark 问号
!
exclamation mark 惊叹号
'
apostrophe 撇号、所有格符号
-
hyphen 连字号
-
dash 破折号
_
underscore; understrike 下划线
...
ellipsis 省略号
‘’
single quotation marks 单引号
“”
double quotation marks 双引号
”
Ditto Sign 如上所述
‖
parallel 双线号
〜
swung dash 代字号
§
section sign; division 分节号
→
arrow 箭号;参见号 ;
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