数学公式的英文读法
数学公式的英文读法&数学英文词汇
已有1985 次阅读2008-9-28 14:10 |个人分类:数学天地|关键词:数学公式的英文读法&数学英文词汇
1.Logic
\exists there exist
\forall 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≠5x (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≤1zero 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
x n x to the nth / x to the power n
x n x to the (power) minus n
x (square) root x / the square root of x
x 3 cube root (of) x
x 4 fourth root (of) x
x n nth root (of) x
( x+y ) 2 x plus y all squared
( x y ) 2 x over y all squared
n! n factorial
x ^ x hat
x ˉx bar
x x tilde
x i xi / x subscript i / x suffix i / x sub i
∑ i=1 n a i the sum from i equals one to n a i / the sum as i runs from 1 to n of the a i 4. Linear algebra
‖x ‖the norm (or modulus) of x
OA →OA / vector OA
OA ˉOA / the length of the segment OA
A T A transpose / the transpose of A
A 1 A inverse / the inverse of A
5. Functions
f( x ) fx / f of x / the function f of x
f:S→T a function f from S to T
x→y x maps to y / x is sent (or mapped) to y
f'( x ) f prime x / f dash x / the (first) derivative of f with respect to x
f''( x ) f double-prime x / f double-dash x / the second derivative of f with respect to x f'''( x ) triple-prime x / f triple-dash x / the third derivative of f with respect to x
f^{(4)}( x ) f four x / the fourth derivative of f with respect to x
f x_1 the partial (derivative) of f with respect to x1
^2 f x_1^2 the second partial (derivative) of f with respect to x_1
∫_0^∞the integral from zero to infinity
\underset{x\to 0}\lim the limit as x approaches zero
\underset{x\to 0+}\lim the limit as x approaches zero from above
\underset{x\to 0-}\lim the limit as x approaches zero from below
log_e y log y to the base e / log to the base e of y / natural log (of) y
lny log y to the base e / log to the base e of y / natural log (of) y
一般词汇
数学mathematics, maths(BrE), math(AmE)
公理axiom
定理theorem
计算calculation
运算operation
证明prove
假设hypothesis, hypotheses(pl.)
命题proposition
算术arithmetic
加plus(prep.), add(v.), addition(n.)
被加数augend, summand
加数addend
和sum
减minus(prep.), subtract(v.), subtraction(n.) 被减数minuend
减数subtrahend
差remainder
乘times(prep.), multiply(v.), multiplication(n.) 被乘数multiplicand, faciend
乘数multiplicator
积product
除divided by(prep.), divide(v.), division(n.) 被除数dividend
除数divisor
商quotient
等于equals, is equal to, is equivalent to
大于is greater than
小于is lesser than
大于等于is equal or greater than
小于等于is equal or lesser than
运算符operator
数字digit
数number
自然数natural number
整数
小数de integer cimal
小数点decimal point
分数fraction
分子numerator
分母denominator
比ratio
正positive
负negative
零null, zero, nought, nil
十进制decimal system
二进制binary system
十六进制hexadecimal system
权weight, significance
进位carry
截尾truncation
四舍五入round
下舍入round down
上舍入round up
有效数字significant digit
无效数字insignificant digit
代数algebra
公式formula, formulae(pl.)
单项式monomial
多项式polynomial, multinomial
系数coefficient
未知数unknown, x-factor, y-factor, z-factor 等式，方程式equation
一次方程simple equation
二次方程quadratic equation
三次方程cubic equation
四次方程quartic equation
不等式inequation
阶乘factorial
对数logarithm
指数，幂exponent
乘方power
二次方，平方square
三次方，立方cube
四次方the power of four, the fourth power n次方the power of n, the nth power
开方evolution, extraction
二次方根，平方根square root
三次方根，立方根cube root
四次方根the root of four, the fourth root
n次方根the root of n, the nth root
集合aggregate
元素element
空集void
子集subset
交集intersection
并集union
补集complement
映射mapping
函数function
定义域domain, field of definition
值域range
常量constant
变量variable
单调性monotonicity
奇偶性parity
周期性periodicity
图象image
数列，级数series
微积分calculus
微分differential
导数derivative
极限limit
无穷大infinite(a.) infinity(n.) 无穷小infinitesimal
积分integral
定积分definite integral
不定积分indefinite integral
有理数rational number
无理数irrational number
实数real number
虚数imaginary number
复数complex number
矩阵matrix
行列式determinant
几何geometry
点point
线line
面plane
体solid
线段segment
射线radial
平行parallel
相交intersect
角angle
角度degree
弧度radian
锐角acute angle
直角right angle
钝角obtuse angle
平角straight angle
周角perigon
底base
边side
高height
三角形triangle
锐角三角形acute triangle
直角三角形right triangle
直角边leg
斜边hypotenuse
勾股定理Pythagorean theorem 钝角三角形obtuse triangle
不等边三角形scalene triangle
等腰三角形isosceles triangle
等边三角形equilateral triangle
四边形quadrilateral
平行四边形parallelogram
矩形rectangle
长length
宽width
菱形rhomb, rhombus, rhombi(pl.), diamond 正方形square
梯形trapezoid
直角梯形right trapezoid
等腰梯形isosceles trapezoid
五边形pentagon
六边形hexagon
七边形heptagon
八边形octagon
九边形enneagon
十边形decagon
十一边形hendecagon
十二边形dodecagon
多边形polygon
正多边形equilateral polygon
圆circle
圆心centre(BrE), center(AmE)
半径radius
直径diameter
圆周率pi
弧arc
半圆semicircle
扇形sector
环ring
椭圆ellipse
圆周circumference
周长perimeter
面积area
轨迹locus, loca(pl.)
相似similar
全等congruent
四面体tetrahedron
五面体pentahedron
六面体hexahedron
平行六面体parallelepiped
立方体cube
七面体heptahedron
八面体octahedron
九面体enneahedron
十面体decahedron
十一面体hendecahedron 十二面体dodecahedron
二十面体icosahedron
多面体polyhedron
棱锥pyramid
棱柱prism
棱台frustum of a prism
旋转rotation
轴axis
圆锥cone
圆柱cylinder
圆台frustum of a cone
球sphere
半球hemisphere
底面undersurface
表面积surface area
体积volume
空间space
坐标系coordinates
坐标轴x-axis, y-axis, z-axis 横坐标x-coordinate
纵坐标y-coordinate
原点origin
双曲线hyperbola
抛物线parabola
三角trigonometry
正弦sine
余弦cosine
正切tangent
余切cotangent
正割secant
余割cosecant
反正弦arc sine
反余弦arc cosine
反正切arc tangent
反余切arc cotangent
反正割arc secant
反余割arc cosecant
相位phase
周期period
振幅amplitude
内心incentre(BrE), incenter(AmE)
外心excentre(BrE), excenter(AmE)
旁心escentre(BrE), escenter(AmE)
垂心orthocentre(BrE), orthocenter(AmE)
重心barycentre(BrE), barycenter(AmE)
内切圆inscribed circle
外切圆circumcircle
统计statistics
平均数average
加权平均数weighted average
方差variance
标准差root-mean-square deviation, standard deviation
比例propotion
百分比percent
百分点percentage
百分位数percentile
排列permutation
组合combination
概率，或然率probability
分布distribution
正态分布normal distribution
非正态分布abnormal distribution
图表graph
条形统计图bar graph
柱形统计图histogram
折线统计图broken line graph
曲线统计图curve diagram
扇形统计图pie diagram
专业术语词汇
代数部分
1.有关数学运算
add，plus加subtract减difference差multiply,times乘product积divide除divisible可被整除的dividedevenly被整除dividend被除数，红利divisor因子，除数quotient商remainder 余数factorial阶乘power乘方radicalsign,rootsign根号roundto四舍五入tothenearest四舍五入
2.有关集合
union并集proper subset真子集solution set解集
3. 有关代数式、方程和不等式
algebraic term代数项like terms,similar terms同类项
numerical coefficient数字系数literal coefficient字母系数inequality不等式triangle inequality三角不等式range值域original equation原方程equivalent equation同解方程，等价方程
linear equation线性方程(e.g.5 x +6=22)
4. 有关分数和小数
proper fraction真分数improper fraction假分数mixed number带分数vulgar fraction，common fraction普通分数simple fraction简分数complex fraction繁分数numerator分子denominator分母(least)common denominator（最小）公分母quarter四分之一
decimal fraction纯小数infinite decimal无穷小数
recurring decimal循环小数tenthsunit十分位
5.基本数学概念
arithmetic mean算术平均值weighted average加权平均值geometric mean几何平均数exponent指数，幂base乘幂的底数,底边cube立方数，立方体square root平方根cube root立方根common logarithm常用对数digit数字constant常数variable变量inversefunction反函数complementary function余函数linear一次的，线性的factorization 因式分解absolute value绝对值，e.g.｜-32｜=32 round off四舍五入
6. 有关数论
natural number自然数positive number正数negative number负数odd integer,odd number奇数even integer,even number偶数integer,whole number整数positive whole number正整数negative whole number负整数consecutive number连续整数rea lnumber,rational number实数,有理数irrational（number）无理数inverse倒数composite number合数e.g.4,6,8,9,10,12,14,15…… prime number质数e.g.2,3,5,7,11,13,15……注意：所有的质数(2除外)都是奇数，但奇数不一定是质数reciprocal倒数common divisor公约数multiple倍数(least)common multiple(最小)公倍数(prime)factor(质)因子common factor公因子ordinaryscale,decimalscale十进制nonnegative非负的tens十位units个位mode众数median中数common ratio公比
7. 数列
arithmetic progression(sequence)等差数列geometric progression(sequence)等比数列
8. 其它approximate近似(anti)clockwise(逆)顺时针方向cardinal基数ordinal序数directproportion正比distinct不同的estimation估计，近似parentheses括号proportion比例permutation排列combination组合table表格trigonometric function三角函数unit单位,位几何部分
1.所有的角
alternate angle内错角corresponding angle同位角vertical angle对顶角central angle圆心角interior angle内角exterior angle外角supplement aryangles补角complement aryangle余角adjacent angle邻角acute angle锐角obtuse angle钝角right angle直角round angle周角straight angle平角included angle夹角
2. 所有的三角形
equilateral triangle等边三角形scalene triangle不等边三角形isosceles triangle等腰三角形right triangle直角三角形oblique斜三角形inscribed triangle内接三角形
3. 有关收敛的平面图形，除三角形外
semicircle半圆
concentric circles同心圆quadrilateral四边形pentagon五边形hexagon六边形heptagon七边形octagon八边形nonagon九边形decagon十边形polygon多边形parallelogram平行四边形equilateral等边形plane平面square正方形，平方rectangle长方形regular polygon正多边形rhombus菱形trapezoid梯形
4. 其它平面图形
arc弧line,straight line直线line segment线段parallel lines平行线segment of a circle弧形5. 有关立体图形
cube立方体，立方数rectangular solid长方体regular solid/regular polyhedron正多面体circular cylinder圆柱体cone圆锥sphere球体solid立体的
6. 有关图形上的附属物
altitude高depth深度side边长circumference,perimeter周长radian弧度surface area表面积volume体积arm直角三角形的股cros ssection横截面center of acircle圆心chord弦radius 半径angle bisector角平分线diagonal对角线diameter直径edge棱face of a solid立体的面hypotenuse斜边included side夹边leg三角形的直角边medianofatriangle三角形的中线base底边，底数（e.g.2的5次方，2就是底数）opposite直角三角形中的对边midpoint中点endpoint端点vertex(复数形式vertices)顶点tangent切线的transversal截线intercept截距
7. 有关坐标
coordinate system坐标系rectangular coordinate直角坐标系origin原点abscissa横坐标ordinate纵坐标numberline数轴quadrant象限slope斜率complex plane复平面
8. 其它
plane geometry平面几何trigonometry三角学bisect平分circumscribe外切inscribe内切intersect相交perpendicular垂直pythagorean theorem勾股定理congruent全等的multilateral 多边的
其它
1. 单位类
cent美分penny一美分硬币nickel5美分硬币dime一角硬币dozen打（12个）score廿(20个) Centigrade摄氏Fahrenheit华氏quart夸脱gallon加仑(1gallon=4quart) yard码meter米micron微米inch英寸foot英尺minute分(角度的度量单位，60分=1度) squaremeasure平方单位制cubicmeter立方米pint品脱(干量或液量的单位)
2. 有关文字叙述题，主要是有关商业
intercalary year(leapyear)闰年(366天) common year平年(365天) depreciation折旧down payment直接付款discount打折margin利润profit利润interest利息simple interest单利compounded interest复利dividend红利decrease to减少到decrease by减少了increase to增加到increase by增加了denote表示list price标价markup涨价per capita每人ratio比率retail price零售价tie打平
数学学科名称翻译
数学分析Mathematical Analysis
实变函数Functions of Real Variable
泛函分析Functional Analysis
极限分析Limit Analysis
复变函数Complex Variables Functions
线性代数Linear Algebra
高等代数Advanced Algebra
近世代数Modern Algebra
抽象代数Abstract Algebra
集合论与代数结构Set Theory & Algebraical Structure
常微分方程Ordinary Differentical Equations
偏微分方程Partial Differential Equation
偏微分方程数值解Numerical Solution of Partial Differential Equation
微分方程Differential Equation
微分方程数值解Numerical solution of partial defferential equatio
数理方程Mathematical Equations
数理方程积分变换Integral Transmission of Mathematical Equation
数理方程与特殊函数Equations of Mathmatical Physics & Special Functions 变分法与张量Calculus of Variations & Tensor
变分学Calculus of Variations
概率论Probability Theory
概率与统计Probability & Statistics
概率论与数理统计Probability Theory & Mathematical Statistics
概率论与随机过程Probability Theory & Stochastic Process
随机过程Stochastic Process & Time Series Analysis
时间序列Time Sequence
统计学Statistics
多元统计分析Multi-Variate Statistical Analysis
解析几何Analytic Geometry
微分几何Defferential Geometry
拓朴学Topology
计算方法Computational Method
数值分析Numerical Analysis
数值计算Digital Computation
计算力学Computational Mechanics
计算力学基础Basis of Computational Mechanics
计算流体Fluid Computation
有限元法及应用Finite Element & its Application
并行算法Parallel Algorithmic
运筹学Operational Research
最优化Optimum Theory
最优化方法Optimal Method
最优化基础Basis of Optimum
数学规划Mathematical Planning
线性规划Linear Programming
非线性规划Non-Linear Programming
动态规划Dynamic Programming
数学模型Mathematical Modening
多目标优化方法Multipurpose Optimal Method
图论Graph Theory
图论算法Algorithm on Graph Theory
图论与组合Graphing & Grouping
图论与组合优化Graphing & Optimal Grouping 随机运筹学Randomized Operational Research
控制理论Theory of Control
控制理论基础Elementary Theory of Control
线性系统与分析Linear System & Analysis
系统建模与响应System Modeling & Response 人工智能Artificial Intelligence
最优控制Optimal Control
信息论Informatics
信息论与编码Informatics & Coding
数理逻辑Mathematical Logic
离散数学Discrete Mathematics
模糊数学Fuzzy Mathematics
C语言C Language
C++程序设计C++ Program Designing
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
数学公式的英语口语读法
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 = the equals sign x=5 x equals 5 / x is equal to 5
数学符号读法大全(免费)解析
N的阶级 大写小写英文注音国际音标注音中文注音 Ααalpha alfa 阿耳法 Ββbeta beta 贝塔 Γγgamma gamma 伽马 Δδdeta delta 德耳塔 Εεepsilon epsilon 艾普西隆 Ζζzeta zeta 截塔 Ηηeta eta 艾塔 Θθtheta θita西塔 Ιιiota iota 约塔 Κκkappa kappa 卡帕 ∧λlambda lambda 兰姆达 Μμmu miu 缪 Ννnu niu 纽 Ξξxi ksi 可塞 Οοomicron omikron 奥密可戎 ∏πpi pai 派 Ρρrho rou 柔 ∑σsigma sigma 西格马 Ττtau tau 套 Υυupsilon jupsilon 衣普西隆 Φφphi fai 斐 Χχchi khai 喜 Ψψpsi psai 普西 Ωωomega omiga 欧米伽 符号表 符号含义 i -1的平方根 f(x) 函数f在自变量x处的值 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ex 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 ax 同a^x logba 以b为底a的对数；blogba = 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 a?b a、b向量的点积 (a?b) 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. 这些你都知道吗？以后给老外作报告的时候可千万别再“The equation is like this…”, “The value is like this…” 有些公式不好写，能看出来什么意思就行了。 1.Logic ?there exist ?for all p?q p im plies 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 elem ent (or a m em ber) of A x?A x does not belong to A / x is not an elem ent (or a m em ber) 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 m eet B / A intersection B A∪B A cup B / A join B / A union B A\B A m inus 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 m inus one x±1 x plus or m inus one xy xy / x m ultiplied by y (x-y)(x+y) x m inus y, x plus 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 greater than y 数学及数字、符号英文读法 数字部分 (1)基数词的读法 我们先从基数词人手。首先掌握三位以内数字的读法，因为它是多位数字的基础，一旦熟练掌握，再借助一个逗号，便可轻松应付四位以上任何庞大的数字。我们可以通过例子来说明这一点。 ?3—5位数的读法 202读作：two hundred(and)two 234读作：two hundred(and)thirty-four 1，234读作：one thousand two hundred(and)thirtyfour 但是在读法上须注意以下几点： a．在英式英语中，一个数的最后两位(十位和个位)得用“and\'’，但美式英语中则不用。如：3，077读作：U.S：three thousand seventy—seven． b．不定冠词“a”只在数的开头才和hundred，thousand等连用。试比较： 146读作：ahundred(and)forty-six 2，146读作：twothousand，one hundred(and)fortysix c.1，000这个整数我们说athousand，在and前我们也说a thousand，但是在一个有百位数的数目前就得说one thousand试比较： 1,031读作：a thousand，(and)thirty-one, 1,150读作：one thousand，one hundred(and)fifty d.hundred，thousand和million这几个词的单数可以和：“a”者“one”连用，但是不能单独使用。在非正式文体中“a”比较常见；当我们说话比较准确的时候就用“one”试比较： I Want to live for a hundred years． The journey took exactly one hundred days． e.我们常常说eleven hundred(1，100)，twelve hundred(1,200)等，而不说one thous and one hundred．从1，100到1,900之间的整数，这种说法最常见。 5位以上数字的读法 高等数学所有符号的写法与读法 ￣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 Angle bracket {} Brace 《》French quotes 法文引号；书名号... ellipsis 省略号 ¨ 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 ＋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 .com中点读法是什么dot [简明英汉词典] [dCt] n.点, 圆点, 园点 各种符号的英语文读法: 'exclam'='!' 'at'='@' 'numbersign'='#' 'dollar'='$' 'percent'='%' 'caret'='^' 'ampersand'='&' 'asterisk'='*' 'parenleft'='(' 'parenright'=')' 'minus'='-' 'underscore'='_' 'plus'='+' 'bracketleft'='[' 'braceleft'='{' 'bracketright'=']' 'braceright'='}' 'semicolon'=';' 'colon'=':' 'quote'=''' 'doublequote'='"' 'backquote'=''' 'tilde'='~' 'backslash'='\' 'bar'='|' 'comma'=',' 'period'='.' 'greater'='>' 'slash'='/' 'question'='?' 'space'=' ' ￣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 Angle bracket {} Brace 《》French quotes 法文引号;书名号 ... ellipsis 省略号 ¨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 + 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 1.Logic \exists there exist \forall 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 x n x to the nth / x to the power n x n x to the (power) minus n x (square) root x / the square root of x 各种数学符号和表达式的英文读法.txt52每个人都一条抛物线，天赋决定其开口，而最高点则需后天的努力。没有秋日落叶的飘零，何来新春绿芽的饿明丽？只有懂得失去，才会重新拥有。各种数学符号和表达式的英文读法 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 quotat ion 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 aplus 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… ?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 ?min ute 分 ?second 秒 ＃pound …号 ∏ pi . dot (点乘就是centered dot) f' f prime f撇 A上面一个横杠：A bar A上面一个星星*： A asterisk + 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 17.2.1999/H.V¨a liaho 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 ?there exists ?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 di?erence between A and B A×B A cross B/the cartesian product of A and B 3.Real numbers x+1x plus one x?1x minus one x±1x plus or minus one xy xy/x multiplied by y (x?y)(x+y)x minus y,x plus y x x over y y =the equals sign x=5x equals5/x is equal to5 x=5x(is)not equal to5 数学式和数学用语的英文读法 一、Number 数字 106：one million 109：one billion (or one thousand million) 1012：one trillion (or one million million) 1015：one quadrillion(or one thousand million million) 1018：one quintillion (or one million million million) 二、Fractions 分数 通常将分子读为基数，将分母读为序数。 1/2： a (or one) half 1/3： a (or one) third 1/4： a quarter or one fourth 2/3：two thirds, two over three, or two by three 9/10：nine tenths, nine over ten, or nine by ten 4‰：four per mill (or mil) 三、Decimals 小数 0.4：zero (or naught) point four .01：point (or decimal) naught (or oh) one 12.34：twelve point three four 30.45：thirty point four five, 0.3333333…..：point three repeating (or recurring) 四、Mathematic Forms 数学式 (4-1) Addition 加法 1+2=3： One and two are three. 2+3=5： Two plus three equals five. 4+0=4： Four and naught is equal to four. 45+70+152=267： 45, 70 and 152 added are (or make) 267 the sum (or total) is 267. (4-2) Subtraction 减法 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… ‰ 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 这些数学符号用英文怎么读 1)+plus加号；正号 a)minus减号；负号 2)±plus or minus正负号 3)×is multiplied by乘号 4)÷is divided by除号 5)＝is equal to等于号 6)≠is not equal to不等于号 7)≡is equivalent to全等于号 8)≌is equal to or approximately equal to等于或约等于号 9)≈is approximately equal to约等于号 10)＜is less than小于号 11)＞is greater than大于号 12)≮is not less than不小于号 13)≯is not more than不大于号 14)≤is less than or equal to小于或等于号 15)≥is more than or equal to大于或等于号 16)%per cent百分之… 17)‰per mill千分之… 18)∞infinity无限大号 19)∝varies as与…成比例 20)√(square) root平方根 21)∵since; because因为 22)∴hence所以 23)∷equals, as (proportion)等于，成比例 24)∠angle角 25)?semicircle半圆 26)?circle圆 27)○circumference圆周 28)πpi 圆周率 i.triangle三角形 29)?perpendicular to垂直于 30)∪union of并，合集 31)∩intersection of 交，通集 32)∫the integral of …的积分 33)∑(sigma) summation of总和 34)°degree度 35)′minute分 36)″second秒 37)℃Celsius system摄氏度 38){open brace, open curly左花括号 39)}close brace, close curly右花括号 40)(open parenthesis, open paren左圆括号 41))close parenthesis, close paren右圆括号 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) o f 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 x n x to the nth / x to the power n x ?n x to the (power) minus n x (square) root x / the square root of x 常用数学符号读法大全 大写小写英文注音国际音标注音中文注音Ααalpha alfa 阿耳法 Ββbeta beta 贝塔 Γγgamma gamma 伽马 Γδdeta delta 德耳塔 Δεepsilon epsilon 艾普西隆 Εδzeta zeta 截塔 Ζεeta eta 艾塔 Θζtheta ζita西塔 Ηηiota iota 约塔 Θθkappa kappa 卡帕 ⅸιlambda lambda 兰姆达Μκmu miu 缪 Νλnu niu 纽 Ξμxi ksi 可塞 Ονomicron omikron 奥密可戎∏πpi pai 派 Ρξrho rou 柔 ∑ζsigma sigma 西格马 Τηtau tau 套 Υυupsilon jupsilon 衣普西隆Φθphi fai 斐 Φχchi khai 喜 Χψpsi psai 普西 Ψωomega omiga 欧米伽 常用数学符号大全 1 几何符号 ?ⅷⅶ????△ 2 代数符号 ⅴⅸⅹ～?????ⅵ? 3运算符号 ×÷ⅳ± 4集合符号 ??ⅰ 5特殊符号 ⅲπ（圆周率） 6推理符号 |a| ??△ⅶ????±??ⅰ? ???↖↗↘↙ⅷⅸⅹ &; § ??←↑→↓??↖↗ ΓΔΘΛΞΟΠΣΦΧ ΨΩ αβγδεδεζηθικλ μνπξζηυθχψω Ⅰ Ⅱ Ⅲ Ⅳ Ⅴ Ⅵ Ⅶ Ⅷ Ⅸ Ⅹ Ⅺ Ⅻ ⅰ ⅱ ⅲ ⅳ ⅴ ⅵ ⅶ ⅷ ⅸ ⅹ ⅰⅱⅲ?ⅳⅴⅵ? ⅶ?ⅷⅸⅹ???? ????????????????⊕?? ??℃ 指数0123：o123 上述符号所表示的意义和读法（中英文参照） ＋ 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 approximately equal to 约等于 ? is approximately equal to 约等于号 ＜ is less than 小于号 ＞ is more than 大于号 ? is less than or equal to 小于或等于 ? is more than or equal to 大于或等于 ％ per cent 百分之… ⅵ infinity 无限大号 ⅳ (square) root 平方根 X squared X的平方数学运算符 的英文表达
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