英文中各种符号标点都怎么说?[1]-查字典英语网
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英文中各种符号标点都怎么说?[1]

发布时间:2016-10-25  编辑:查字典英语网小编

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

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

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