希腊字符及数学符号读法Word格式.docx
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希腊字符及数学符号读法Word格式.docx
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mda]
Ψ
ψ
psi
Μ
μ
mu[mju:
]
Ν
ν
nu[nju:
]
Ξ
ξ
xi
Ο
ο
omicron
Π
π
pi
Ρ
ρ
rho
Σ
σ
sigma
Τ
τ
tau
Υ
υ
upsilon
Φ
φ
phi
Χ
χ
chi
Ω
ω
omega
特殊符号的英文读法
<islessthan
>ismorethan
≮isnotlessthan
≯isnotmorethan
≤islessthanorequalto小于或等于号
-hyphen连字符
≥ismorethanorequalto大于或等于号
'
apostrophe省略号,英文中省略字符用的撇号;
所有格符号
%percent
-dash破折号
‰permille
∞infinity无限大号
∝variesas与…成比例
()parentheses圆括号
√(square)root平方根
[]squarebrackets方括号
∵since;
because因为
《》Frenchquotes法文引号;
书名号
∴hence所以
…ellipsis省略号
∷equals,as(proportion)等于,成比例
¨
tandemcolon双点号
∠angle角
∶ditto双点号
⌒semicircle半圆
‖parallel双线号
⊙circle圆
/virgule斜线号
○circumference圆周
~swungdash代字号
△triangle三角形
§
section;
division分节号
⊥perpendicularto垂直于
→arrow箭号;
参见号
∪unionof并,合集
∩intersectionof交,通集
∫theintegralof…的积分
±
plusorminus正负号
∑summationof总和
×
ismultipliedby乘号
°
degree度
÷
isdividedby除号
′minute分
″second秒
≠isnotequalto不等于号
≡isequivalentto全等于号
℃Celsiusdegree摄氏度
≌isequaltoorapproximatelyequalto等于或约等于号
计算机编成常用符号英语读音
`backquote反引号
~tilde
!
exclam
@at
#numbersign,英语国家是hash,美语是pound,音乐里作sharp,如C#
$dollar
%percent
^caret
&
ampersand
*asterisk,star(美语),数学公式中作multiply
(parenleft,openingparentheses
)parenright,closingparetheses
-minus;
hyphen连字符,不读
_underscore
+plus
=equal
[bracketleft,openingbracket
]bracketright,closingbracket
{braceleft
}braceright
;
semicolon
:
colon
quote
"
doublequote
/slash
\backslash反斜杠
|bar
comma
<
less
>
greater
.period
?
question
space空格
plus(positive正的)
-:
minus(negative负的)
*:
multipliedby
:
dividedby
=:
beequalto
≈:
beapproximatelyequalto
():
roundbrackets(parenthess)
[]:
squarebrackets
{}:
braces
∵:
because
∴:
therefore
≤:
lessthanorequalto
≥:
greaterthanorequalto
∞:
infinity
logxtothebasen
thenthpowerofx
f(x):
thefunctionofx
dx:
diffrencialofx
x+y:
xplusy
(a+b):
bracketaplusbbracketclosed
a=b:
aequalsb
a≠b:
aisn'
tequaltob
a>
b:
aisgreaterthanb
aismuchgreaterthanb
a≥b:
aisgreaterthanorequaltob
x→∞:
xapprochesinfinity
xsquare
xcube
thesquarerootofx
数学公式的英文读法&
数学英文词汇
1.Logic
∃thereexist
∀forall
p⇒qpimpliesq/ifp,thenq
p⇔qpifandonlyifq/pisequivalenttoq/pandqareequivalent2.Sets
x∈AxbelongstoA/xisanelement(oramember)ofA
x∉AxdoesnotbelongtoA/xisnotanelement(oramember)of
A⊂BAiscontainedinB/AisasubsetofB
A⊃BAcontainsB/BisasubsetofA
A∩BAcapB/AmeetB/AintersectionB
A∪BAcupB/AjoinB/AunionB
A\BAminusB/thediferencebetweenAandB
A×
BAcrossB/thecartesianproductofAandB
3.Realnumbers
x+1xplusone
x-1xminusone
x±
1xplusorminusone
xyxy/xmultipliedbyy
(x-y)(x+y)xminusy,xplusy
xyxovery
=theequalssign
x=5xequals5/xisequalto5
x≠5x(is)notequalto5
x≡yxisequivalentto(oridenticalwith)y
x≡yxisnotequivalentto(oridenticalwith)y
x>
yxisgreaterthany
x≥yxisgreaterthanorequaltoy
x<
yxislessthany
x≤yxislessthanorequaltoy
0<
x<
1zeroislessthanxislessthan1
0≤x≤1zeroislessthanorequaltoxislessthanorequalto1
|x|modx/modulusx
x2xsquared/x(raised)tothepower2
x3xcubed
x4xtothefourth/xtothepowerfour
xnxtothenth/xtothepowern
x−nxtothe(power)minusn
x(square)rootx/thesquarerootofx
x3cuberoot(of)x
x4fourthroot(of)x
xnnthroot(of)x
(x+y)2xplusyallsquared
(xy)2xoveryallsquared
n!
nfactorial
《现代英汉综合大辞典》4的阶乘读作thefactorialof4;
《美国传统词典》,4factorial,usuallywritten4!
isequalto24(1×
2×
3×
4=24).
x^xhat
x¯
xbar
x˜xtilde
xixi/xsubscripti/xsuffixi/xsubi
∑i=1naithesumfromiequalsonetonai/thesumasirunsfrom1tonoftheai
4.Linearalgebra
‖x‖thenorm(ormodulus)ofx
OA→OA/vectorOA
OA¯
OA/thelengthofthesegmentOA
ATAtranspose/thetransposeofA
A−1Ainverse/theinverseofA
5.Functions
f(x)fx/fofx/thefunctionfofx
f:
S→TafunctionffromStoT
x→yxmapstoy/xissent(ormapped)toy
f'
(x)fprimex/fdashx/the(first)derivativeoffwithrespecttox
(x)fdouble-primex/fdouble-dashx/thesecondderivativeoffwithrespecttox
(x)triple-primex/ftriple-dashx/thethirdderivativeoffwithrespecttox
f(4)(x)ffourx/thefourthderivativeoffwithrespecttox
∂f∂x1thepartial(derivative)offwithrespecttox1
∂2f∂x12thesecondpartial(derivative)offwithrespecttox1
∫0∞theintegralfromzerotoinfinity
limx→0thelimitasxapproacheszero
limx→0+thelimitasxapproacheszerofromabove
limx→0−thelimitasxapproacheszerofrombelow
logeylogytothebasee/logtothebaseeofy/naturallog(of)ylnylogytothebasee/logtothebaseeofy/naturallog(of)y
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dividedby(prep.),divide(v.),division(n.)
被除数dividend
除数divisor
商quotient
等于equals,isequalto,isequivalentto
大于isgreaterthan
小于islesserthan
大于等于isequalorgreaterthan
小于等于isequalorlesserthan
运算符operator
数字digit
数number
自然数naturalnumber
整数integer
小数decimal
小数点decimalpoint
分数fraction
分子numerator
分母denominator
比ratio
正positive
负negative
零null,zero,nought,nil
十进制decimalsystem
二进制binarysystem
十六进制hexadecimalsystem
权weight,significance
进位carry
截尾truncation
四舍五入round
下舍入rounddown
上舍入roundup
有效数字significantdigit
无效数字insignificantdigit
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simpleequation
二次方程quadraticequation
三次方程cubicequation
四次方程quarticequation
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thepoweroffour,thefourthpower
n次方thepowerofn,thenthpower
开方evolution,extraction
二次方根,平方根squareroot
三次方根,立方根cuberoot
四次方根therootoffour,thefourthroot
n次方根therootofn,thenthroot
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,fieldofdefinition
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definiteintegral
不定积分indefiniteintegral
有理数rationalnumber
无理数irrationalnumber
实数realnumber
虚数imaginarynumber
复数complexnumber
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acuteangle
直角rightangle
钝角obtuseangle
平角straightangle
周角perigon
底base
边side
高height
三角形triangle
锐角三角形acutetriangle
直角三角形righttriangle
斜边hypotenuse
勾股定理Pythagoreantheorem
钝角三角形obtusetriangle
不等边三角形scalenetriangle
等腰三角形isoscelestriangle
等边三角形equilateraltriangle
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righttrapezoid
等腰梯形isoscelestrapezoid
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equilateralpolygon
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frustumofaprism
旋转rotation
轴axis
圆锥cone
圆柱cylinder
圆台frustumofacone
球sphere
半球hemisphere
底面undersurface
表面积surfacearea
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arcsine
反余弦arccosine
反正切arctangent
反余切arccotangent
反正割arcsecant
反余割arccosecant
相位phase
周期period
振幅amplitude
内心incentre(BrE),incenter(AmE)
外心exc
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