数学公式的英文读法分析解析
-
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
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个人分类
:
数学天地
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关键词
:
数学公式的英文读法
&
数学
英文词汇
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
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
AB
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
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 ¯
x 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
¯
OA / 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{xto 0}lim
the limit as x approaches zero
underset{xto 0+}lim
the limit as x approaches zero from
above
underset{xto 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