数学符号英文表示
以下是一些通用的标点符号英文翻译，常用的都在这儿了。
= equal
, comma
; semicolon
: colon
? question mark
! exclamation mark
/ slash
/ backslash
| bar
@ at
# number sign
$ dollar
% percent
^ caret
& ampersand
* asterisk 通配符
_ under score
( left parentheses
) right parentheses
[ left bracket
] right bracket
{ left brace
} right brace
' quote
' back quote
" double quote
~ tilde
. period
< less
> greater
' apostrophe 省略号；所有格符号
-- dash 破折号
' ' single quotation marks 单引号
" " double quotation marks 双引号
( ) parentheses 圆括号
[ ] square brackets 方括号
<> Angle bracket
{} Brace
... ellipsis 省略号
- hyphen 连字符
加减乘除、以及space和enter 符号这里略去，想必大家都会；
最后一个hyphen 连字符有点难度，估计很多人不知道怎么念，用minus代替了。
下面列一些数学符号的英文
《》French quotes 法文引号；书名号
¨tandem colon 双点号
" ditto 同上
‖parallel 双线号
／virgule 斜线号
＆ampersand = and
～swung dash 代字号
§section; division 分节号
→arrow 箭号；参见号
＋positive sign 正号
－minus 负号or negative
aplus 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
＃number …号
℃Celsius system 摄氏度
＠at 单价
x'是x prime(比如转置矩阵) x"是x double-prime
数学运算英语表示
英语加减乘除表达 1.加减乘除公式 ⑴ A＋B＝C A plusB equals/is C 20＋5＝25 Twenty plus 5 equals/is twenty-five. ⑵ A－B＝C A minusB equals/is C 20－5＝15 Twenty minus 5 equals/is fifteen. ⑶ A×B＝C A multiplied byB equals/is C 20×5＝100 Twenty multiplied by 5 equals/is one hundred. ⑷ A÷B＝C A divided byB equals/is C 20÷5＝4 Twenty divided by 5 equals/is four. 2.加减乘除口语化的表达 ⑴ Add twenty and five, we can get twenty-five. ⑵ Subtract five from twenty, we can get fifteen. ⑶ Multiply twenty by five, we can get one hundred. ⑷ Divide twenty by five, we can four. 3. 用how much对加减乘除进行提问 ⑴Twenty minus five equals fifteen. How much does twenty minus five equal? ⑵Twenty minus five is fifteen. How much is twenty minus five? 英语分数、小数及百分数的表达 1.表达形式 ⑴分数 ①基本规则：子基母序（即：分子用基数词，分母用序数词） 1/3 one third 1/8 one eighth 1/12 one twelfth ②当分子大于1时，分母要加s变成复数。 2/3 two thirds 3/8 three eighths 5/12 five twelfths ③特殊的表达： 1/4 可以表示为 one fourth 或者 a quarter 3/4 可以表示为 three fourth 或者 three quarters 1/2 a half ⑵.小数 小数点前后的数均按基数词来读，小数点读成point，小数点后的数字逐位读出。 3.1415926 three point one four one five nine two six 0.463 zero point four six three ⑶.百分数 汉语中先读百分号，再读数字；英语中恰恰相反：先念出数字，再加上百分号percent 80% eighty percent 99.5% ninety-nine point five percent
数学符号英文表示
英语数学符号 +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
数学符号的英文读法
常用的数学英语表述 1.Logic ?there exist ?for all p?q p implies q / if p, then q p?q p if and only if q /p is equivalent to q / p and q are equivalent 2.Sets x∈A x belongs to A / x is an element (or a member) of A x?A x does not belong to A / x is not an element (or a member) of A A?B A is contained in B / A is a subset of B A?B A contains B / B is a subset of A A∩B A cap B / A meet B / A intersection B A∪B A cup B / A join B / A union B A\B A minus B / the diference between A and B A×B A cross B / the cartesian product of A and B 3. Real numbers x+1 x plus one x-1 x minus one x±1 x plus or minus one xy xy / x multiplied by y (x - y)(x + y) x minus y, x plus y x y x over y = the equals sign x = 5 x equals 5 / x is equal to 5 x≠5 x (is) not equal to 5 x≡y x is equivalent to (or identical with) y x ≡ y x is not equivalent to (or identical with) y x > y x is greater than y x≥y x is greater than or equal to y x < y x is less than y x≤y x is less than or equal to y 0 < x < 1 zero is less than x is less than 1 0≤x≤1 zero is less than or equal to x is less than or equal to 1 | x | mod x / modulus x x 2 x squared / x (raised) to the power 2 x 3 x cubed x 4 x to the fourth / x to the power four
数学公式的英文表达
数学公式的英文表达 Pronunciation of mathematical expressions The pronunciations of the most common mathematical expressions are given in the list below. In general, the shortest versions are preferred (unless greater precision is necessary). 1. Logic 9 there exists 8 for all p ) q p implies q / if p, then q p , q p if and only if q /p is equivalent to q / p and q are equivalent 2. Sets x 2 A x belongs to A / x is an element (or a member) of A x =2 A x does not belong to A / x is not an element (or a member) of A A ? B A is contained in B / A is a subset of B A ? B A contains B / B is a subset of A A \ B A cap B / A meet B / A intersection B A [ B A cup B / A join B / A union B A n B A minus B / the di?erence between A and B A ￡ B A cross B / the cartesian product of A and B 3. Real numbers x + 1 x plus one x ° 1 x minus one x ? 1 x plus or minus one xy xy / x multiplied by y (x ° y)(x + y) x minus y, x plus y x y x over y = the equals sign x = 5 x equals 5 / x is equal to 5 x 6= 5 x (is) not equal to 5 1 x ￥ y x is equivalent to (or identical with) y x 6￥ y x is not equivalent to (or identical with) y x > y x is greater than y x ? y x is greater than or equal to y x < y x is less than y x · y x is less than or equal to y 0 < x < 1 zero is less than x is less than 1 0 · x · 1 zero is less than or equal to x is less than or equal to 1 jxj mod x / modulus x x2 x squared / x (raised) to the power 2 x3 x cubed x4 x to the fourth / x to the power four
常见公共标志英文表达
常见的“公共标志和说明”英文表达 1、Business Hours 营业时间 2、Office Hours 办公时间 3、Entrance 入口 4、Exit 出口 5、Push 推 6、Pull 拉 7、Shut 此路不通 8、On 打开 ( 放) 9、Off 关 10、Open 营业 11、Pause 暂停 12、Stop 关闭 13、Closed 下班 14、Menu 菜单 15、Fragile 易碎 16、This Side Up 此面向上 17、Introductions 说明 18、One Street 单行道 19、Keep Right/Left 靠左/右 20、Buses Only 只准公共汽车通过 21、Wet Paint 油漆未干 22、Danger 危险 23、Lost and Found 失物招领处 24、Give Way 快车先行 25、Safety First 安全第一 26、Filling Station 加油站 27、No Smoking 禁止吸烟 28、No Photos 请勿拍照 29、No Visitors 游人止步 30、No Entry 禁止入内 31、No Admittance 闲人免进 32、No Honking 禁止鸣喇叭 33、Parking 停车处 34、Toll Free 免费通行 35、F.F. 快进 36、Rew. 倒带 37、EMS (邮政)特快专递 38、Insert Here 此处插入 39、Open Here 此处开启 40、Split Here 此处撕开
41、Mechanical Help 车辆修理 42、“AA”Film 十四岁以下禁看电影 43、Do Not Pass 禁止超车 44、No U-Turn 禁止掉头 45、U-Turn Ok 可以U形转弯 46、No Cycling in the School校内禁止骑车 47、SOS 紧急求救信号 48、Hands Wanted 招聘 49、Staff Only 本处职工专用 50、No Litter 勿乱扔杂物 51、Hands Off 请勿用手摸 52、Keep Silence 保持安静 53、On Sale 削价出售 54、No Bills 不准张贴 55、Not for Sale 恕不出售 56、Pub 酒馆 57、Cafe 咖啡馆、小餐馆 58、Bar 酒巴 59、Laundry 洗衣店 60、Travel Agency 旅行社 61、In Shade 置于阴凉处 62、Keep in Dark Place 避光保存 63、Poison 有毒/毒品 64、Guard against Damp 防潮 65、Beware of Pickpocket 谨防扒手 66、Complaint Box 意见箱 67、For Use Only in Case of Fire 灭火专用 68、Bakery 面包店 69、Keep Dry 保持干燥 70、Information 问讯处 71、No Passing 禁止通行 72、No Angling 不准垂钓 73、Shooting Prohibited 禁止打猎 74、Seat by Number 对号入座 75、Protect Public Propety 爱护公共财物 76、Ticket Office(or ：Booking Office)售票处 77、Visitors Please Register 来宾登记 78、Wipe Your Shoes And Boots请擦去鞋上的泥土 79、Men“s/Gentlemen/Gents Room 男厕所 80、Women“s/Ladies/Ladies“ Room女厕所 81、Occupied （厕所）有人 82、Vacant （厕所）无人
常用符号和运算符的英语描述
一、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 six 14.15 fourteen point one five 345.456 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 eight 9.07 nine point o seven 2. 百分数表示法 百分数中的百分号％读作percent。如： 6% 读作six percent 0.6% 读作（nought）point six percent 500% 读作five hundred percent 3. 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。 4. 加减乘除式的读法 6+5＝11 Six plus five is eleven 或Six and five is eleven. 11-6＝5 Eleven minus six is five. 或Six from eleven is five. 4×5＝20 Four multiplied by five is twenty.或Four times five is twenty. 20÷4＝5 Twenty divided by four is five. 或Four into twenty goes five.
各种数学符号的英文表达
“加减乘除”怎么说？各种数学符号的英文表达，看完学渣变学霸！ 不知大家还记得当年所画过的函数图吗？不停地标点，画线，有时候为了画出好看的弧度，甚至要多擦几遍才能做到...每一条函数都有不一样的形状，把它们组合起来，也许会有意想不到的效果噢 数学，相信对于不少人，特别是文科班女生的来说，都是一个大难题。在考试时，靠的就是自己的英语来拉分。那么，想要用英语来说出数学公式，又该怎么表达呢？
一. 首先区分一下Equations 和Formulas的使用 1. An equation等式 says that two things are equal. It will have an equals sign "=" like this: x + 2 = 6 2. A formula公式 is a special type of equation that shows the relationship between different variables. 也是一种特殊的等式，只不过展示的是不同变量之间的关系 举个栗子：我们常用到的长方体的体积等于长X宽X高就是一个formula V = lwh V stands for volume, l for length, w for width, and h for height. 3. Algebra代数 不用多说，就是XY未知数，多年实战，你们懂的
二. 符号 要说公式，总不能只说个字母就完事吧，加减乘除先来一翻1.加号+ plus x + 1：x plus one 2.减号- minus x -1：x minus one 3.乘号x multiplied by x times y; x multiplied by y 4.除号÷ over; divided by x over y; x divided by y; 除了这些小学的算术题外，还有这些 1.约等于x ≈ y x is approximately equal to y 2.大于等于x ≥ y x is greater than or equal to y 3.小于等于x ≤ y x is less than or equal to y
各种符号的英文读法
[zz]各种符号的英文读法（1.2版） 一、一般符号对应的英文单词 ．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 … ?single quotation marks 单引号 “ ”double quotation marks 双引号 ( )parentheses 圆括号 [ ]square brackets 方括号 《》French quotes 法文引号；书名号 ...ellipsis 省略号 ¨tandem colon 双点号 "ditto 同上 ‖parallel 平行 ／virgule 斜线号 ＆ampersand = and ～swung dash 代字号 §section; division 分节号 →arrow 箭号；参见号 ＋plus 加号；正号 －minus 减号；负号 ±plus or minus 正负号 ×is multiplied by or cross 叉乘 ÷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 （is greater than在数学中更常用）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…
常用数学符号大全
常用数学符号大全 Company Document number：WTUT-WT88Y-W8BBGB-BWYTT-19998
常用数学输入符号：～～≈ ≡ ≠ ＝≤≥ ＜＞≮≯∷ ±＋－ × ÷／∫ ∮∝∞ ∧∨∑ ∏ ∪∩ ∈∵∴//⊥‖ ∠⌒≌∽√（）【】｛｝ⅠⅡ⊕⊙∥αβγδεζηθΔαβγδεζηθικλμνξοπρστυφχψω ΑΒΓΔΕΖΗΘΙΚ∧ΜΝΞΟ∏Ρ∑ΤΥΦΧΨΩ абвгдеёжзийклмнопрстуфхцчшщъыьэюя АБВГДЕЁЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯ
sin(x) 在自变量x处的正弦函数值 exp(x) 在自变量x处的指数函数值，常被写作e x a^x a的x次方；有理数x由反函数定义 ln x exp x 的反函数 a x同 a^x log b a 以b为底a的对数； b log b a = a cos x 在自变量x处余弦函数的值 tan x 其值等于 sin x/cos x cot x 余切函数的值或 cos x/sin x sec x 正割含数的值，其值等于 1/cos x csc x 余割函数的值，其值等于 1/sin x asin x y，正弦函数反函数在x处的值，即 x = sin y acos x y，余弦函数反函数在x处的值，即 x = cos y atan x y，正切函数反函数在x处的值，即 x = tan y acot x y，余切函数反函数在x处的值，即 x = cot y asec x y，正割函数反函数在x处的值，即 x = sec y acsc x y，余割函数反函数在x处的值，即 x = csc y θ角度的一个标准符号，不注明均指弧度，尤其用于表示atan x/y，当x、y、z用于表示空间中的点时 i, j, k 分别表示x、y、z方向上的单位向量 (a, b, c) 以a、b、c为元素的向量 (a, b) 以a、b为元素的向量 (a, b) a、b向量的点积 ab a、b向量的点积 (ab) a、b向量的点积 |v| 向量v的模 |x| 数x的绝对值 Σ表示求和，通常是某项指数。下边界值写在其下部，上边界值写在其上部。 如j从1到100 的和可以表示成：。这表示1 + 2 + … + n M 表示一个矩阵或数列或其它 |v> 列向量，即元素被写成列或可被看成k×1阶矩阵的向量 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 six 14.15 fourteen point one five 345.456 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 eight 9.07 nine point o seven 2. 百分数表示法 百分数中的百分号％读作percent。如： 6% 读作 six percent 0.6% 读作（nought） point six percent 500% 读作five hundred percent 3. 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。 4. 加减乘除式的读法 6+5＝11 Six plus five is eleven 或Six and five is eleven. 11-6＝5 Eleven minus six is five. 或Six from eleven is five. 4×5＝20 Four multiplied by five is twenty.或Four times five is twenty. 20÷4＝5 Twenty divided by four is five. 或Four into twenty goes five. 15:5＝3 The ratio of fifteen to five is three. 32 Three squared is nine. 23 Two cubed is eight. 24 The fourth power of two is sixteen. X^(1/2)=Y The square root of X is Y. X^(1/3)=Y The cubic root of X is Y. a ＞ b a is more than b. a ＜ b a is less than b. a ≈ b a approximately equals to b. a ≠ b a is not equal to b. + 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 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 + 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 1.Logic ?there exist ?for all p?q p implies q / if p, then q p?q p if and only if q /p is equivalent to q / p and q are equivalent 2.Sets x∈A x belongs to A / x is an element (or a member) of A x?A x does not belong to A / x is not an element (or a member) of A A?B A is contained in B / A is a subset of B A?B A contains B / B is a subset of A A∩B A cap B / A meet B / A intersection B A∪B A cup B / A join B / A union B A\B A minus B / the diference between A and B A×B A cross B / the cartesian product of A and B 3. Real numbers x+1 x plus one x-1 x minus one x±1 x plus or minus one xy xy / x multiplied by y (x - y)(x + y) x minus y, x plus y x/y x over y = the equals sign x = 5 x equals 5 / x is equal to 5 x≠5 x (is) not equal to 5 x≡y x is equivalent to (or identical with) y x≡/y（x不等于y)x is not equivalent to (or identical with) y x > y x is greater than y x?y x is greater than or equal to y x < y x is less than y x?y x is less than or equal to y 0 < x < 1 zero is less than x is less than 1 0?x?1 zero is less than or equal to x is less than or equal 1)标题：各种符号的英文读法 2)2008-12-18 17:15:52 1.一、一般符号对应的英文 单词 ．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 …?single quotation marks 单引号 “”double quotation marks 双引号 ( )parentheses 圆括号 [ ]square brackets 方括号 《》French quotes 法文引 号；书名号 ...ellipsis 省略号 ¨tandem colon 双点号 "ditto 同上 ‖parallel 平行 ／virgule 斜线号 ＆ampersand = and ～swung dash 代字号 §section; division 分节号 →arrow箭号；参见号 ＋plus 加号；正号 －minus 减号；负号 ±plus or minus 正负号 ×is multiplied by or cross 叉乘 ÷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 approximatel y 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 （is greater t han在数学中更常用）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；另外normal to，right to也都有垂直的意思。 ∪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 + plus, positive －minus, negative ×multiplied by, times ÷(／) divided by = is equal to, equals ≠ not equal to ≈ is approximately equal to, approximately equals ＞greater than ＜less than ≥ equal to or greater than ≤ equal to or less than >> much greater than << much less than ∈is a member of the set ( ) round brackets, parentheses [ ] square brackets { } braces ∽similar to ≌congruent to ⊥perpendicular to, at right angles with ∥parallel to ∠angle ⊙circle e the base o f natural logarithms, approx. 2. 71828 π pi; the ratio of the circumference of a circle to its diameter, diameter, approx, 3.14159 n! factorial n, n( n－1) ( n－2) (n－3) (1) ︱x︱the absolute value of x X2 raised to the second power X3 X cube; X cubed; the cube of X; X to the third power; the third power of X; X raised to the third power X-10 X to the minus tenth( tenth power) √x the square root of x 3√x the cube root of x X n the nth power of X, X to the power n, X raised to the nth power, X to the nth power 1/X n one over X to the n α 5/β2 α to the five over β squared X1/n(n√X) the nth root of X, X to the power one over n y=f(x) y is a function of x a+b a plus b; the sum of a and b; the total of a and b; a added to b; a increased to b; a increased by b; a more than b; a greater than b a－b a minus b; a less b the difference of a and b; from a subtract b; a takes away b; a decreased by b; a diminished by b; b is Pronunciation of Mathematical Expressions The pronunciations of the most common mathematical expressions are given in the list below. In general, the shortest versions are preferred (unless greater precision is necessary). 1、Logic 2、Sets 3、Real numbers x x plus one 1 + x x minus one 1 - ± x x plus or minus one 1 xy xy / x multiplied by y x+ y -x minus y, x plus y ) )( (y x y x x over y / x on y ＝ the equals sign 5=x x equals 5 / x is equal to 5 5≠x x (is) not equal to 5 y x ≡ x is equivalent to (or identical with) y x ≠y x is not equivalent to (or identical with) y y x > x is greater than y y x ≥ x is greater than or equal to y y x < x is less than y y x ≤ x is less than or equal to y 1 0<数学运算符 的英文表达
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