1、“加减乘除 ”及 各种符号标点的英文表达 数学符号 Mathematical symbols 01 + plus 加号;正号 “1+1”读作: one plus one 02 minus mans; negative negtv 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 mltplad by ; times 乘
2、号 “23” 读作: two multiplied by three 或 two times three 05 divided by 除号 “42”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 “ab”读作: a is not equal to b 08 congruent kgrnt to 全等(两个图形形状相同、大小相等) “ABCDEF”读作: T
3、riangle ABC is congruent to Triangle DEF. 09 approximately equal to 约等于号 “3310” 读作: Three multiplied by three is approximately equal to ten. 10 is greater than 大于号 “21”读作: Two is greater than one. 12 is not less than 不小于号 “32”读作: Three is not less than two. 13 is not greater than 不大于号 “24” 读作: Two i
4、s not greater than four. 14 is less than or equal to 小于或等于号 “23”读作: Two is less than or equal to three. 15 is greater than or equal to 大于或等于号 “54”读作: Five is greater than or equal to four. 16 % per cent 百分之 “10%”读作: ten percent 17 per mill mil; per thousand 千分之 “10” 读作: ten per thousand 18 infinity
5、nfnt 无限大号 “ ” 读作: negative infinity 19 varies as 与 .成比例 “XY”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 “12”读作: hen
6、ce 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 semskl 半圆 “ AB”读作: semicircle AB 26 circle 圆 “ A”读作: circle A 27 circumference skmf()r()ns 圆周 “=d”读作: Pi multiplied by d equals circumference. 28 pi
7、constant 圆周率 “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 ,pp()ndkjl 垂直于 “A B”读作: A is perpendicular to B. 31 / parallel prlel 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
8、 33 intersection ntsek()n of 交,通集 “AB”读作: The intersection of A and B 34 the integral ntrl 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 kwe()n 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 var
9、ies inversely as x. y与 x成反比例( y是 x的反比例函数)。 标点符号 Punctuation marks degree 度 minute 分 second 秒 Celsius selsis degree 摄氏度 F Fahrenheit f r()nhat degree 华氏度 at sign curly brackets 波形括号 square brackets 方括号 () parentheses prenss ; brackets brkt; round brackets 括号 ( open parenthesis 左括号 ) close parenthesis
10、 右括号 . point/dot 点 | vertical bar; vertical virgulev:gju:l 竖线 and; reference; ref 和,引用 * asterisk strsk, 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 tildetld 波浪符 . full stop;
11、period 句号 , comma 逗号 : colon 冒号 ; semicolon 分号 ? question mark 问号 ! exclamationeksklmen mark 惊叹号 apostrophepstrfi 撇号、所有格符号 - hyphen haf()n 连字号 dash 破折号 _ underscore; understrike 下划线 . ellipsis lpss 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