常用符号和运算符的英语描述

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各种特殊符号的英文叫法

各种特殊符号的英文叫法+plus加号；正号-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πpi 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：['mainəs10 minus 5 leaves 5.1.负的,减去的[B]The temperature is now minus 5 degrees.现在气温为零下五度。

标点符号的英语表述

+ plus加号；正号- 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 greater 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πpi 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&ersand, 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(论坛)) 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&ersand = and~swung dash 代字号§section; division 分节号→arrow 箭号；参见号。

常用数学符号的英语对照

．period 句号
，comma 逗号
：colon 冒号
；semicolon 分号
！exclamation 惊叹号
？question mark 问号
￣hyphen 连字符
'apostrophe 省略号；所有格符号
—dash 破折号 ‘ ’sigle quotation marks 单引号
＃number …号
℃Celsius system 摄氏度
＠at 单价
∝ 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
∑ (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
∞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

各种标点符号英语

各种标点符号英语+ plus 加号；正号- 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πpi 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, hash, sharp 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。

各种符号的英语说法

各种符号的英语说法it comes to me i can't pronounce the sign - when i give my emalil to a friend. then i relized that i even can't pronounce other signs such as ~,#,*,(,),{,}. yeah,it's useful since we use them frequently. we are more easily get into the habit of ignoring conventional stuff.and below,it's all the signs in chinese and englsh.句号 full stop逗号 comma引号 (double/single) quotation mark(s)叹号 exclamation问号 question mark冒号 colon分号 semicolon单引号双引号 see 引号连词号（中划线） hyphen百分号 (the）percentage (sign)加减乘除根号 (the) plus/minus/cross/division/square root (sign) 等于号 (the) equal (sign)大括号中括号 curly/square bracket(s)小括号 bracket(s)/parenthesis大于号小于号 (the) larger than/smaller than (sign)井号# number sign/hex星号* asterisk下划线_ underscore斜杠/ solidus（如年/月/日等分隔用）/slash反斜杠\ reverse solidus/slash波浪号~ tilde（专指欧洲语言用符号，也可指数学/逻辑学用波浪号）@ (commercial) at$ dollar sign^ (circumflex) accent (语言用）/ the conjunction sign（数学用）& ampersand+ plus 加号；正号- 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πpi 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& amp; 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_ underdash 下划线" single quotation marks 单引号"" double quotation marks 双引号‖ parallel 双线号～swung dash 代字号§section; division 分节号→arrow 箭号；参见号作者: 发布时间:2008-2-19 10:25:14 文章来源:+ plus 加号；正号- 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πpi 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。

常用数学符号的英文表达

常用数学符号的英文表达第一章函数与极限Chapter1 Function and Limit集合set元素element子集subset空集empty set并集union交集intersection差集difference of set基本集basic set补集complement set直积direct product笛卡儿积Cartesian product开区间open interval闭区间closed interval半开区间half open interval有限区间finite interval区间的长度length of an interval无限区间infinite interval领域neighborhood领域的中心centre of a neighborhood领域的半径radius of a neighborhood左领域left neighborhood右领域right neighborhood映射mappingX到Y的映射mapping of X ontoY满射surjection单射injection一一映射one-to-one mapping双射bijection算子operator变化transformation函数function逆映射inverse mapping复合映射composite mapping自变量independent variable因变量dependent variable定义域domain函数值value of function函数关系function relation值域range自然定义域natural domain单值函数single valued function多值函数multiple valued function单值分支one-valued branch函数图形graph of a function绝对值函数absolute value符号函数sigh function整数部分integral part阶梯曲线step curve当且仅当if and only if(iff)分段函数piecewise function上界upper bound下界lower bound有界boundedness无界unbounded函数的单调性monotonicity of a function单调增加的increasing单调减少的decreasing单调函数monotone function函数的奇偶性parity(odevity) of a function 对称symmetry偶函数even function奇函数odd function函数的周期性periodicity of a function周期period反函数inverse function直接函数direct function复合函数composite function中间变量intermediate variable函数的运算operation of function基本初等函数basic elementary function初等函数elementary function幂函数power function指数函数exponential function对数函数logarithmic function三角函数trigonometric function反三角函数inverse trigonometric function 常数函数constant function双曲函数hyperbolic function双曲正弦hyperbolic sine双曲余弦hyperbolic cosine双曲正切hyperbolic tangent反双曲正弦inverse hyperbolic sine反双曲余弦inverse hyperbolic cosine反双曲正切inverse hyperbolic tangent极限limit数列 sequence of number收敛 convergence收敛于 a converge to a发散 divergent极限的唯一性 uniqueness of limits收敛数列的有界性 boundedness of a convergent sequence子列 subsequence函数的极限 limits of functions函数()f x 当x 趋于x 0时的极限 limit of functions ()f x as x approaches x 0 左极限 left limit右极限 right limit单侧极限 one-sided limits水平渐近线 horizontal asymptote无穷小 infinitesimal无穷大 infinity铅直渐近线 vertical asymptote夹逼准则 squeeze rule单调数列 monotonic sequence高阶无穷小 infinitesimal of higher order低阶无穷小 infinitesimal of lower order同阶无穷小 infinitesimal of the same order等阶无穷小 equivalent infinitesimal函数的连续性 continuity of a function增量 increment函数()f x 在x 0连续 the function ()f x is continuous at x 0左连续 left continuous右连续 right continuous区间上的连续函数 continuous function函数()f x 在该区间上连续 function ()f x is continuous on an interval不连续点discontinuity point第一类间断点discontinuity point of the first kind第二类间断点discontinuity point of the second kind初等函数的连续性continuity of the elementary functions 定义区间defined interval最大值global maximum value (absolute maximum)最小值global minimum value (absolute minimum)零点定理the zero point theorem介值定理intermediate value theorem。

史上最全英文标点符号表达

史上最全英文标点符号表达+ plus 加号;正号- 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 greater 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。

各种数学符号英文翻译

+ plus加号；正号- 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 greater 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πpi 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。

数学运算英语

数学运算英语
数学运算英语是指在数学中所涉及到的各种运算符、符号和公式等的英文表达方式。

在数学领域中，英文术语的掌握对于学习和研究数学至关重要。

以下是一些常见的数学运算英语及其意义：
1. Addition（加法）：加号（+）表示两个或多个数相加，如2+3=5。

2. Subtraction（减法）：减号（-）表示两个或多个数相减，如
5-2=3。

3. Multiplication（乘法）：乘号（×或*）表示两个或多个数
相乘，如2×3=6或2*3=6。

4. Division（除法）：除号（÷或/）表示一个数被另一个数除，如6÷2=3或6/2=3。

5. Exponentiation（指数运算）：^或**表示一个数被另一个数
指数运算，如2^3=8或2**3=8。

6. Square root（平方根）：√表示一个数的平方根，如√4=2。

7. Absolute value（绝对值）：|x|表示一个数的绝对值，如|-2|=2。

8. Factorial（阶乘）：n!表示一个正整数n的阶乘，如3!=3×2×1=6。

9. Logarithm（对数）：log表示以某个数为底数的对数，如
log10(100)=2。

10. Limit（极限）：lim表示函数某个点的极限值，如lim x→0 sin(x)/x=1。

以上是常见的数学运算英语，掌握这些术语对于学习和研究数学
都是非常重要的。

常用符号的英语翻译

老师忘记教的英文来源：张彧·Nikki·的日志+plus加号；正号-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 greater 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πpi 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。

数学运算符号的英文表达解读

数学运算符号的英文表达小数、分数、百分数和运算符号1. 小数表示法(1) 小数的读法小数点左边的数通常按基数词读，若为三位以上的数，也可按编码式读法读出，即将数字单个读出；小数点右边的数通常按编码式读法单个读出。

如：6.86 six point eight six14.15 fourteen point one five345.456 three four five point four five six或three hundred and forty－five point four five six(2) 小数中“0”的读法“0”在小数中通常读作nought（英）或zero（美），也可读作字母o。

如：0.08 （nought）point nought eight 或（zero）point zero eight9.07 nine point o seven2. 百分数表示法百分数中的百分号％读作percent。

如：6% 读作six percent0.6% 读作（nought）point six percent500% 读作five hundred percent3. 倍数表示法倍数表示方法很多，如：This room is four times as big as mine. 这个房间是我房间的四倍。

This room is three times larger than that one. 这个房间比那个房间大两倍。

The output of coal has doubled. 煤的产量增加了一倍。

My aunt is as old again as I am. 我姑姑年龄比我大一倍。

Productivity is increased three fold. 生产效率提高了两倍。

The volume of the Sun is about 1,300,000 times that of the Earth.太阳的体积约为地球的1300000倍。

2019数学符号大全：英文表达你知道吗？语文

数学符号大全：英文表达你知道吗？导读：国际化，地球村，乌镇互联网大会……每一个都说着世界大同，打破壁垒，走向国际。

那么，对于数学也需要走向国际么?那可不，咱们可不能因为自己聪明就自大，其实外面的数学人才也是极多的。

那么，想要数学国际化，我们是不是该学一些数学符号的英文版?查字典数学网小编末宝表示灰常赞同。

下面，就和小编末宝一起来看看数学英文标点符号怎么念，学习学习。

+ plus 加号;正号- minus 减号;负号± plus or minus 正负号× multiplied by 乘号÷ divided by 除号= equal to 等于号≠ not equal to 不等于号≡ equivalent to 全等于号≌ equal to or approximately equal to 等于或约等于号≈ approximately equal to 约等于号< less than 小于号> more than 大于号≮ not less than 不小于号≯ not more than 不大于号≤ less than or e qual to 小于或等于号≥ more than or equal to 大于或等于号% percent 百分之…‰ permill 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 圆英特内所弄!想装逼必须学数学，向上天数学英文符号来加持。

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这些符号在英文中怎么讲

数学运算符号的英文表达

如：0.08 （nought）point nought eight 或（zero）point zero eight9.07 nine point o seven2. 百分数表示法百分数中的百分号％读作percent。

This room is three times larger than that one. 这个房间比那个房间大两倍。

The output of coal has doubled. 煤的产量增加了一倍。

My aunt is as old again as I am. 我姑姑年龄比我大一倍。

Productivity is increased three fold. 生产效率提高了两倍。

The volume of the Sun is about 1,300,000 times that of the Earth.太阳的体积约为地球的1300000倍。

数学符号英语表达

数学符号英语表达在数学领域中，数学符号是必不可少的，因为它们可以将复杂的数学概念简洁明了地表达出来。

对于学习数学的人来说，掌握一些数学符号的英语表达是非常必要的。

下面就来分步骤讲解一些常用的数学符号英语表达:第一步：基本算术符号(1) +：plus, add, positive(2) -：minus, subtract, negative(3) ×：times, multiplied by(4) ÷：divided by, over以上是常见的基本算术符号，在数学中被广泛使用。

当我们想要对数字进行加、减、乘、除运算时，需要使用这些符号。

第二步：括号符号(1) ()：parentheses 或 brackets(2) []：square brackets 或 brackets(3) {}：curly brackets 或 braces括号符号是用来表示优先级的，比如在一个算式中使用括号可以使表达式更加准确。

第三步：比较符号(1) <：less than(2) >：greater than(3) =：equal to(4) ≤：less than or equal to(5) ≥：greater than or equal to比较符号是用来比较两个数或算式的大小关系的，它们也被广泛使用。

第四步：基本数学符号(1) π：pi(2) ∞：infinity(3) ∑：sigma(4) ∆：delta(5) ∫：integral这些数学符号都有特定的意义和用途，比如π用来表示圆周率，∞表示无穷大，∫是积分符号等等。

最后，需要提醒的是，在数学中使用符号时，需要注意它们的大小写和不同符号的应用场景，尤其是在学术写作中，要正确使用数学符号，避免出现错误。

总之，数学符号是数学的重要组成部分，学习数学符号的英语表达可以帮助我们更好地理解和应用数学知识，同时也能够使我们的学术写作更加规范和准确。

“加减乘除”及各种符号标点的英文表达讲解

数学符号Mathematical symbols01+plus 加号；正号“1+1”读作：one plus one02－minus ['maɪnəs]; negative ['negətɪv]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 one04×multiplied [’mʌltɪ’plaɪd] by ; times乘号“2×3” 读作：two multiplied by three 或two times three05÷divided by 除号“4÷2”读作：four divided by two06=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.≠is not equal to 不等于号“a≠b”读作：a is not equal to b08≌congruent ['kɒŋgrʊənt] 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.≥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%per cent 百分之……“10%”读作：ten percent17‰per mill [mil]; per thousand千分之……“10‰”读作：ten per thousand18∞infinity [ɪn'fɪnɪtɪ] 无限大号“－∞” 读作：negative infinity19∝varies as 与...成比例“X∝Y”读作：X varies as Y20√￣square root 平方根“√￣16=4”读作：The square root of sixteen is four.213√￣cube root 立方根“3√￣27=3”读作：The cube root of 27 is 3.∵since; because 因为“∵1+1=2”读作：because one plus one equals two23∴hence; therefore 所以“∴1<2”读作：hence one is less than two24∠angle 角“∠A”读作：angle A“∠A +∠B+∠C=180°”读作：The measure of angle A plus angle B plus angle C equals180 degrees.25⌒semicircle ['semɪsɜːkl]半圆“⌒AB”读作：semicircle AB26⊙circle 圆“⊙A”读作：circle A27○circumference [sə'kʌmf(ə)r(ə)ns] 圆周“○=π×d”读作：Pi multiplied by d equals circumference.πpi constant 圆周率“π×d”读作：pi multiplied by d29△triangle 三角形“△ABC”读作：triangle ABCWhat is the area of triangle ABC? 求三角形ABC的面积。

各种符号在英语中如何表达

各种符号在英语中如何表达+ plus加号；正号- 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 greater 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πpi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感叹号(英式英语) exclamation point感叹号(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& ampersandand的英语符号～swung dash代字号§section; division分节号→arrow箭号；参见号。