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      1. 英文中各種符號標點都怎么說

        時間:2024-09-14 18:28:29 英語詞匯 我要投稿
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        英文中各種符號標點都怎么說

          2x(-4)=-8你能用英語把這個等式(equation)讀出來嗎?被難倒了吧!別著急!看完下面雙語君給你整理的各種數學符號和標點符號的英文表達,你馬上就會說了!

          數學符號

          Mathematical symbols

          01

          +: plus 加號;正號

          “1+1”讀作:one plus one

          02

          -: minus; negative 減號;負號

          “2-1”讀作:two minus one

          “-3”讀作:minus three或negative three

          “2-(-3)”讀作:two minus negative three

          03

          ±: plus-minus sign 正負號

          “±1” 讀作:plus or minus one

          04

          ×: multiplied by ; times 乘號

          “2×3” 讀作:two multiplied by three 或 two times three

          05

          ÷: divided by 除號

          “4÷2”讀作:four divided by two

          06

          =: equals; is equal to 等于號

          “1+1=2”讀作:One plus one equals two.

          或 One plus one is equal to two.

          07

          ≠: is not equal to 不等于號

          “a≠b”讀作:a is not equal to b

          08

          ≌: congruent to 全等(兩個圖形形狀相同、大小相等)

          “△ABC≌△DEF”讀作:Triangle ABC is congruent to Triangle DEF.

          09

          ≈: approximately equal to 約等于號

          “3×3≈10” 讀作:Three multiplied by three is approximately equal to ten.

          10

          <: is less than 小于號

          “1<2”讀作 One is less than two.

          11

          >: is greater than 大于號

          “2>1”讀作:Two is greater than one.

          12

          ≮: is not less than 不小于號

          “3≮2”讀作:Three is not less than two.

          13

          ≯: is not greater than 不大于號

          “2≯4” 讀作:Two is not greater than four.

          14

          ≤: is less than or equal to 小于或等于號

          “2≤3”讀作:Two is less than or equal to three.

          15

          ≥: is greater than or equal to 大于或等于號

          “5≥4”讀作:Five is greater than or equal to four.

          16

          %: percent 百分之……

          “10%”讀作:ten percent

          17

          ‰ : per mill ; per thousand 千分之……

          “10‰”讀作:ten per thousand

          18

          ∞: infinity 無限大號

          “-∞” 讀作:negative infinity

          19

          ∝: varies as 與...成比例

          “X∝Y”讀作:X varies as Y

          20

          √ ̄: square root 平方根

          “√ ̄16=4”讀作:The square root of sixteen is four.

          21

          3√ ̄: cube root 立方根

          “3√ ̄27=3”讀作:The cube root of 27 is 3.

          22

          ∵: since; because 因為

          “∵1+1=2”讀作:because one plus one equals two

          23

          ∴: hence; therefore 所以

          “∴1<2”讀作:hence one is less than two

          24

          ∠: angle 角

          “∠A”讀作:angle A

          “∠A +∠B+∠C=180°”

          讀作:The measure of angle A plus angle B plus angle C equals 180 degrees.

          25

          ⌒: semicircle 半圓

          “⌒AB”讀作:semicircle AB

          26

          ⊙: circle 圓

          “⊙A”讀作:circle A

          27

          ○: circumference 圓周

          “○=π×d”讀作:Pi multiplied by d equals circumference.

          28

          π: pi constant 圓周率

          “π×d”讀作:pi multiplied by d

          29

          △: triangle 三角形

          “△ABC”讀作:triangle ABC

          What is the area of triangle ABC? 求三角形ABC的面積。

          30

          ⊥: perpendicular to 垂直于

          “A⊥B”讀作: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”讀作:the union of A and B

          33

          ∩: intersection of 交,通集

          “A∩B”讀作:The intersection of A and B

          34

          ∫: the integral of ……的積分

          “∫x”讀作:the integral of x

          35

          ∑: summation of 總和

          “∑x”讀作:the summation of x

          36

          equation 方程式、等式

          “y = kx” 讀作:

          Y varies as x.

          K is "the constant of variation.

          y與x成正比(y是x的正比函數),k是常數。

          “y = k/x”讀作:

          Y varies inversely as x.

          y與x成反比例(y是x的反比例函數)。

          °

          degree 度

          ′

          minute 分

          ″

          second 秒

          ℃

          Celsius degree 攝氏度

          ℉

          Fahrenheit degree 華氏度

          @

          at sign

          { }

          curly brackets 波形括號

          [ ]

          square brackets 方括號

          ()

          parentheses ; brackets; round brackets 括號

          (

          open parenthesis 左括號

          )

          close parenthesis 右括號

          .

          point/dot 點

          |

          vertical bar; vertical virgule 豎線

          &

          ampersand; and; reference; ref 和,引用

          *

          asterisk, multiply, star, pointer 星號,乘號,星,指針

          /

          slash; divide; oblique; stroke; solidus 斜線,斜杠,除號

          //

          slash-slash; comment 雙斜線,注釋符

          #

          number sign; pound sign; hash 井號

          \

          backslash 反斜線轉義符

          ~

          tilde 波浪符

          .

          full stop; period 句號

          ,

          comma 逗號

          :

          colon 冒號

          ;

          semicolon 分號

          ?

          question mark 問號

          !

          exclamation mark 驚嘆號

          '

          apostrophe 撇號、所有格符號

          -

          hyphen 連字號

          -

          dash 破折號

          _

          underscore; understrike 下劃線

          ...

          ellipsis 省略號

          ‘’

          single quotation marks 單引號

          “”

          double quotation marks 雙引號

          ”

          Ditto Sign 如上所述

          ‖

          parallel 雙線號

          〜

          swung dash 代字號

          §

          section sign; division 分節號

          →

          arrow 箭號;參見號

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