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 equival ent to q / p and q are equival ent 2.Sets
x∈A x belongs to A / x is an element (or a member)of A
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x∉A x does not belongto A / x is not an element (or a member)of A A⊂B A is contain ed in B / A is a subtof B
A⊃B A contain s B / B is a subtof A
A∩B A cap B / A meet B / A interse ctionB
A∪B A cup B / A join B / A union B
A\B A minus B / the diferen ce between A and B
A×B A cross B / the cartesi an 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 multipl ied by y
(x - y)(x + y) x minus y, x plus ybkd
x y x over y
= the equalssign
x = 5 x equals5 / x is equal to 5
x≠5x (is) not equal to 5
x≡y x is equival ent to (or identic al with) y
x≡y x is not equival ent to (or identic al 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 (raid)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 squareroot of x
x 3 cube root (of) x
源头英文x 4 fourthroot (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 factori al
x ^ x hat
x ¯x bar
x˜x tilde
x i xi / x subscri pt i / x suffixi / x sub i
∑i=1 n a i the sum from i equalsone to n a i / the sum as i runs from 1 to n of the a i
4. Linearalgebra
‖x ‖ the norm (or modulus) of x
OA→ OA / vectorOA
OA ¯ OA / the lengthof the gment OA
A T A transpo / the transpo of A
老猪选猫A −1 A inverse/ the inverse of A
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5. Functio ns
f( x ) fx / f of x / the functio n f of x
f:S→T a functio n f from S to T
x→y x maps to y / x is nt (or mapped)to y
f'( x ) f prime x / f dash x / the (first) derivat ive of f with respect to x
f''( x ) f double-prime x / f double-dash x / the condderivat ive of f with respect to x
f'''( x ) triple-prime x / f triple-dash x / the third derivat ive of f with respect to x
f (4) ( x ) f four x / the fourthderivat ive of f with respect to x
∂f∂x1 the partial (derivat ive) of f with respect to x1
∂2 f∂x1 2 the condpartial (derivat ive) of f with respect to x1
∫0 ∞ the integra l from zero to infinit y
limx→0 the limit as x approac hes zero
limx→0 + the limit as x approac hes zero from abovepcs是什么意思
limx→0 − the limit as x approac hes zero from below
log e y log y to the ba e / log to the ba e of y / natural log (of) y lny log y to the ba e / log to the ba e of y / natural log (of) y
一般词汇
数学 mathema tics, maths(BrE), math(AmE)
公理axiom
定理 theorem
计算 calcula tion
运算 operati on
证明prove
假设hypothe sis, hypothe s(pl.)
命题 proposi tion
算术 arithme tic
加 plus(prep.), add(v.), additio n(n.)
被加数 augend, summand
加数 addend
和sum
减 minus(prep.), subtrac t(v.), subtrac tion(n.) 被减数 minuend
减数 subtrah end
差 remaind er
乘
times(prep.), multipl y(v.), multipl icatio n(n.) 被乘数 multipl icand, faciend
乘数 multipl icator
积 product
除 divided by(prep.), divide(v.), divisio n(n.) 被除数 dividen d
除数 divisor
商 quotien t
等于 equals, is equal to, is equival ent to
大于 is greater than
小于 is lesrthan
大于等于 is equal or greater than
小于等于 is equal or lesrthan
运算符 operato r
数字digit
数 number
自然数 natural number
整数integer
小数 decimal
小数点 decimal point
分数 fractio n
分子 numerat or
分母 denomin ator
比ratio
正 positiv e
负 negativ e
零 null, zero, nought,nil
十进制 decimal system
二进制 binarysystem
十六进制 hexadec imal system
权 weight, signifi cance
进位carry
截尾 truncat ion
四舍五入round
下舍入round down
上舍入round uprisingsun
有效数字 signifi cant digit
无效数字 insigni ficant digit
代数 algebra
公式 formula, formula e(pl.)
单项式 monomia l
多项式 polynom ial, multino mial
系数 coeffic ient
未知数 unknown, x-factor, y-factor, z-factor等式，方程式 equatio n
一次方程 simpleequatio n
二次方程 quadrat ic equatio n
三次方程 cubic equatio n
四次方程 quartic equatio n
不等式inequat ion
阶乘 factori al
member
对数 logarit hm
指数，幂 exponen t
乘方power
二次方，平方 square
三次方，立方cube
四次方 the power of four, the fourthpower n次方the power of n, the nth power
开方 evoluti on, extract ion
二次方根，平方根 squareroot
三次方根，立方根cube root
四次方根 the root of four, the fourthroot n次方根the root of n, the nth root
集合 aggrega te
元素 element
空集void
子集 subt
交集 interse ction
并集union
生活大爆炸第四季下载补集 complem ent
映射 mapping
函数 functio n
定义域 domain, field of definit ion
值域range
常量 constan t
变量 variabl e
单调性 monoton icity
奇偶性 parity
周期性 periodi city
图象image
数列，级数 ries
微积分 calculu s
微分 differe ntial
导数 derivat ive
极限limit
无穷大 infinit e(a.) infinit y(n.) 无穷小 infinit esimal
积分 integra l
定积分 definit e integra l
不定积分 indefin ite integra l 有理数 rationa l number
无理数 irratio nal number
实数 real number
虚数 imagina ry number
复数 complex number
矩阵 matrix
行列式 determi nant
几何 geometr y
点point
线line
面plane
记账凭证的填制
体solid
线段 gment
射线 radial
平行 paralle l
相交 interse ct
角angle
角度 degree
弧度 radian
锐角acute angle
直角right angle
钝角 obtuangle
平角 straigh t angle
周角 perigon
底ba
边side
高 height
三角形 triangl e
锐角三角形 acute triangl e
直角三角形 right triangl e
直角边leg
斜边 hypoten u
