各种符号的英文读法

各种符号的英文读法

各种符号的英文读法

'exclam'

＝

'!'

'at'

＝

'@'

'numbersign'

＝

'#'

'dollar'

＝

'$$'

'percent'

＝

'%'

'caret'

＝

'^'

'ampersand'

＝

'&'

'asterisk'

＝

'*'

'parenleft'

＝

'('

'parenright'

＝

')'

'minus'

＝

'-'

'underscore'

＝

'_'

'equal'

＝

'='

'plus'

＝

'+'

'bracketleft'

＝

'['

'braceleft'

＝

'{'

'bracketright'

＝< /p>

']'

'braceright'

＝

'}'

'semicolon'

＝

';'

'colon'

＝

':'

'quote'

＝

'''

'doublequote'

＝

'

'backquote'

＝

'''

'tilde'

＝

'~'

'backslash'

＝

''

'bar'

＝

'|'

'comma'

＝

','

'less'

＝

'<'

'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

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

∟

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

＃

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

A

上面一个横杠：

A bar

A

上面一个星星

*

：

A asterisk

A

上面一个波浪线～：

A tilde

A

的厄米共轭

（注意不是加号，

那个竖比横< /p>

长）

：

A dagger

（

dagger

：短剑，匕首）

偏微分符号（不好意思，打不出来）

有人

把它读

partial

或者

d

但这样读都不正规，最正规读法为

round

因为这 个符号是法国人发明的，一开始就

叫

round

倒三角 符号（不好意思，打不出来

2

）

读

作

nabla

或 者

del

读

nabla

的居多，

后者在某些英文书里会见

到。

nab la

符号本身具有不同的功能，当它按不

同的乘法规则作用于函 数时会分别得到

梯度：

grandient

符号为

grad

散度：

divergence

符号为

div

此时可直接读作

< br>grandient

（

divergence

of ...

二、一些函数关系的读法

A

与

B

的乘积

the ___ product of A and B

（

___

中 填乘积的性质，

例如外积就填

outer

，

内积就填

inner)

A

乘以

B A times B or A is multiplied by B

A/B A over B B

分之

A

的最普通读法

f(x) f of x

函数

f(x)

exp(n) e to powers of n e

的

n

次幂

三、

Pronunciation of Numerals

数词的读法

als and Ordinals

基数和序数

(1)100

以内的数词

基数

序数

XVI 16 sixteen 16th the sixteenth

XVII 17 seventeen 17th the seventeenth

XVIII 18 eighteen 18th the eighteenth

XIX 19 nineteen 19th the nineteenth

Roman Arabic

Numerals Numerals

罗马数字

阿拉伯数字

读法

数码

读法

I 1 one 1st the first

II 2 two 2nd the second

III 3 three 3rd the third

IV 4 four 4th the fourth

V 5 five 5th the fifth

VI 6 six 6th the sixth

VII 7 seven 7th the seventh

VIII 8 eight 8th the eighth

IX 9 nine 9th the ninth

X 10 ten 10th the tenth

XI 11 eleven 11th the eleventh

XII 12 twelve 12th the twelfth

XIII 13 thirteen 13th the thirteenth

XIV 14 fourteen 14th the fourteenth

XV 15 fifteen 15th the fifteenth

XX 20 twenty 20th the twentieth

XXI 21 twenty-one 21st the twenty-first

XXV 25 twenty-five 25th the twenty- fifth

XXX 30 thirty 30th the thirtieth

XL 40 forty 40th the fortieth

L 50 fifty 50th the fiftieth

LX 60 sixty 60th the sixtieth

LXX 70 seventy 70th the seventieth

LXXX 80 eighty 80th the eightieth

XC 90 ninety 90th the ninetieth

IC 99 ninety- nine 99th the ninety-ninth

C 100 one hundred 100th the hundredth

CII 102 a hundred 102nd the (one) hundred

and two and second

246 two hundred and forty- six

751 seven hundred and fifty-one

(2)1000

以上的数词

1,000 = one thousand

一千

10,000 = ten thousand

一万

100,000 = one hundred thousand

十万

1,000,000 = one million

一百万

10,000,000 = ten million

一千万

100,000,000=one hundred million

一亿

(3)

十亿以上的大数，英美有不同的读法：

英国

美国

十亿

one thousand million = one billion

百亿

ten thousand million = ten billion

千亿

one

hundred

thousand

million

=

one

hundred billion

万亿

one billion = one trillion

ons

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 fouth

1/5 = a (or one) fifth

2/3 = two thirds

9/10 = nine tenths

53/4 = five and three quarters

15/64= fifteen over (or by) sixty-four

15% = fifteen per cent

4

?

= four per mill

ls

小数

0.4 = zero (or nought) point four

.01 = point (or decimal) nought one

12.34 = twelve point three four

567.809 = five hundred and sixty-seven point

eight nought nine

30.45 = thirty point four five, five recurring

0.3% = decimal three percent

atic Forms

数学式

(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 nought is equal to four.

45+70+152=267 45,70 and 152 added are (or

make) 267

the sum (or total) is 267.

演算时的读法：

Three

and

seven are

ten;

I

write(or I write down,or I put down)a nought

and

carry

one.

Four

and

one

that

I

carry

are

five, and eight make thirteen,and three

sixteen; I write down six and carry one. One

and one (that I carry) are two; I put down

two.-

The

sum

(or

total,

or

the

result

of

the

addition) is two hundred and sixty. 37,80

and 143 added together, and(or make) 260.

(2)Subtraction

减法

9-4=5 Nine minus four equals (or is equal to)

five.

15-7=8 Seven from fifteen leaves eight.

23,654-8,175=15,479

8,175

(take

or

subtracted)

from

23,654

leaves

15,479.

The

difference

(or The remainder) is 15,479.

Nine from five won`t go.

演算时的读法：

Nought from nought (leaves)

nought. One from one leaves nought (or nothing).

Two from three (leaves) one. I can`t take (or

subtract) five from four; I must borrow ten;

five

from

fourteen

leaves

nine.-

The

difference (or The remainder) is nine thousand one

hundred.

5210

(take

or

substracted)

from

14,310 leaves 9,100.

(3)Multiplication

乘法

1

×

0=0

One

multiplied

by

nought

equals

nought.

1

×

1=1 Once one is one.

2

×

1=2 Twice one is two.

3

×

5=15 Three times five is fifteen

6

×

0=0

Multiply

six

by

nothing,

and

the

result is nothing.

演算时的读法

:

Five

times

nine

(or

Nine

multiplied by five) are forty-five; I put down five

and

carry

four.

Five

times

seven

are

thirty-five and four (that I carry) are thirty-nine; I

write

down

nine

and

carry

three.

Five

times

six

make

thirty

and

three

(that

I

carry)

thirty-three;

I

put

down thirty-three.

Eight times nine (or Eight nine) are seven two;

I write two and carry seven. Eight sevens make

fifty-six and seven are sixty-three. I put down

three and carry six. Eight sixes make forty-eight

and six fifty-four; I write down fifty- four.

I

now

add

the

partial

results

(or

products)

Five. Two and nine are eleven. Three and three are

six

and

one

are

seven.

Four

and

three

make

seven. Five.

(4)Division

除法

9

÷

3=3

Nine

divided

by

three

maks

(or

is

equal to) three.

20

÷

5=4 Five into twenty goes four times.

4567

÷

23=198

余

13

23

into

4567

goes

198

times, and 13 remainder.

The quctient is 198, and 13 remainder.

演算时的读法

:

Fifteen

into

thirteen

won`t

go fifteen into one hundred and thirty-eight goes

nine

times; nine times fifteen are one hundred and

threty-five;

one

hundred

and

thirty-five

from

one

hundred

and

thirty-eight

leaves

three;

I

bring

down

seven;

fifteen

into

thirty-seven

goes

twice;

twice

fifteen

are

thirty;

thirty

from

thirty-seven

leaves

seven.

The

(exact)

quotient

is

ninety-two,

and

seven remainder; 15 into 1387 goes 92 times, and

7 remainder.

时间

(1)Hours

钟点

2h.5

’

8

=

two

hours

five

minutes

eight

seconds 2

小时

5

8

秒

6.18 = six eighteen 6

时

18

分

8.30 a.m.= eight thirty a.m.[

’

ei

’

em]

上午

8

时

30

分

the

6.05

=

the

six

(nought)

five

p.m .[

’

pi:

’

em] train

下午

6

时零< /p>

5

分列车

又二十四小时混合制的写法和读法如下：

0900 = 0 nine hunderd (

上午

)9

时

0910 = 0 nine ten (

上午

)9

时

10

分

1300 = thirteen hundred 13< /p>

时

(

下午

1

时

)

1525 = fifteen twenty-five 15

时

25

分

(

下午

3

时

25

分

)

2000 = twenty hundred 20

时

(

下午

8

时

)

at 5 o

’

c =at five o

’

clock

五点钟

(2)Date

日期

Oct.1 =October first 10

月

1

日

Oct.1st = October the first 10

月

1

日

Ist Oct. 1949 = teh first of October, nineteen

forty-nine 1949

年

10

月

1

日

3/5

=

[

英

]May

(the)

third

5

月

3

日；

[

]March fifth 3

月

5

日

[

附注

]

联系日期 前置词用

on.