数学符号读法及常用符号英文(超全)
(2012-03-06 05:22:36)
标签:
数学符号英文读法杂谈 |
分类: 科研方法 |
希腊字母读法
1 Α α alpha a:lf 阿尔法
角度;系数
2 Β β beta bet 贝塔
磁通系数;角度;系数
3 Γ γ gamma ga:m 伽马
电导系数(小写)
4 Δ δ delta delt 德尔塔
变动;密度;屈光度
5 Ε ε epsilon ep`silon
伊普西龙 对数之基数
6 Ζ ζ zeta zat 截塔
系数;方位角;阻抗;相对粘度;原子序数
7 Η η eta eit 艾塔
磁滞系数;效率(小写)
8 Θ θ thet θit 西塔
温度;相位角
9 Ι ι iot aiot 约塔
微小,一点儿
10 Κ κ kappa kap 卡帕
介质常数
11 ∧ λ lambda lambd
兰布达波长(小写);体积
12 Μ μ mu mju 缪
磁导系数;微(千分之一);放大因数(小写)
13 Ν ν nu nju
纽 磁阻系数
14 Ξ ξ xi ksi
克西
15 Ο ο omicron omik`ron
奥密克戎
16 ∏ π pi pai 派
圆周率=圆周÷直径=3.1416
17 Ρ ρ rho rou 肉
电阻系数(小写)
18 ∑ σ sigma `sigma 西格马
总和(大写),表面密度;跨导(小写)
19 Τ τ tau tau 套
时间常数
20 Υ υ upsilon jup`silon 宇普西龙
位移
21 Φ φ phi fai 佛爱
磁通;角
22 Χ χ chi phai
西
23 Ψ ψ psi psai 普西
角速;介质电通量(静电力线);角
24 Ω ω omega o`miga
欧米伽 欧姆(大写);角速(小写);角
希腊字母怎么打
打
开Office文档之后,在你需要输入希腊字母的时候,先将输入法切换为英文状态,然后同时按下三个键Ctrl+Shift+Q
,工具栏上的“字体”就会发生变化此刻,你再对照下表输入a,b,c……即可得到您想要的希腊字母。注意,大小写状态时所代表的希腊字母也会有大小写区分
的哦!
—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
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
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
#number
…号
℃Celsius system
摄氏度
@at
单价
α( 阿而法)
β(
贝塔)
γ(伽马)
δ(德尔塔)
ε(艾普西龙)
ζ(截塔)
η(艾塔) θ(西塔) ι约塔) κ(卡帕)
λ(兰姆达) μ(米尤) ν(纽) ξ(可系) ο(奥密克戎)
π (派)ρ (若)σ (西格马)τ (套)υ (英文或拉丁字母)
φ(斐) χ(喜) ψ(普西)) ω(欧米伽)
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'=']'
'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
" 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
∠ 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
常用英文数学式/符号的读法
Pronunciation of Numerals
数词的读法
----------------------------------------------------------------------
1.Cardinals and Ordinals
基数和序数
(1)100以内的数词
基数 序数
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
XVI 16 sixteen 16th the
sixteenth
XVII 17 seventeen 17th the
seventeenth
XVIII 18 eighteen 18th
the eighteenth
XIX 19 nineteen 19th
the nineteenth
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
2.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
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
3.Decimals
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
4.Mathematic
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.
5.Time
时间
(1)Hours
钟点
2h.5'8" = two hours five minutes
eight seconds 2小时5分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 p.m.train = the six (nought) five p.m.['pi:'em] train
下午6时零5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;[美]March fifth
3月5日
[附注]联系日期前置词用on.
(3)Year
年份
684 B.C. =Six eighty-four B.C.
['bi:'si:] 公元前684年
1960 = nineteen
sixty; nineteen hundred and
sixty
19- nineteen
something
1950's nineteen fifties
二十世纪五十年代
[附注]联系年份的前置词用in.
6.Numbers
号码
(1)Telephones
Numbers 电话号码
1023 = one O two three;
ten twenty-three
1227 = one double
two (or two two) seven
0386 = O
three eight six
0096 = double O(or O
O )nine six
7000 = seven O double O
= seven thousand
No.26= Number 26
第26号
Room 201 = Room two O one
第201房间
10 Changan Street = Ten
Changan Street
长安街10号
(2)Writings
书籍作品
Vol.I = Volume one (or the
first volume) 卷一
Chap.II= Chapter
two (or the second chapter) 第2章
Page
3 = page Three (or the third page)
第3页
See pp.5-10 = See Pages five to
ten 见第5-10页
Act V = Act five (or the
fifth act) 第5幕
Hamlet III 1:56 =
Hamlet Act Three, Secene One.Line fifty-six
《哈姆雷特》第3幕第一场第56行
Matt.7:12 =
Matthew, Chapter Seven, Verse Twelve
《马可福音》第七章第12节
Beethoven Op.49 =
Beethoven Opus forty-nine
贝多芬作品第49号
4to = quarto 四本开 8vo =
octavo
八本开
(3)Other
其他
World War I = World War One
第一次世界大战
World War II = World War Two
第二次世界大战
Charles I= Charles the First
查理一世
Henry V = Henry the Fifth
亨利五世
Mr.- = Mr. Dash; Mr. So-and-so
某某先生
Mr.B - = Mr.
B
-Esq.,of -= the town of Blank
Esquire of Blank University
某大学某某先生
the town of = the town of
Blank 某某城
The result of the game was
3-0
比赛结果是三比零。
7.Money
货币
(1)British
currency 英币
6d. = six pence
六便士
1/2d. = a halfpenny
半便士
11/2d. = a peney halfpenny or
three halfpeny or three
halfpence一便士半
1/4d. = a farthing
一个铜元
33/4d.= three pence three
farghings 三便士三铜元
1s.6d.(or 1/6) =
one (shilling) and six (pence)
一先令六便士
£1.18 = (or£1.18s.)= one
pound eighteen (shillings)
一镑十八先令
£1.3s.6d. = one pound, three
shillings (and)
sixpence
4/51/2(or4s.51/2d.) = four
(shillings) and five pence
halfpenny
(2)U.S.
currency
1.20 dollar (and) twenty
(cents) 美金一元二角
4.25 = four dollars
twenty-five cents
美金四元二角五分
(3)Soviet
currency 前苏联币
6 Rb. 15 = six roubles
fifteen kopecks
六卢布十五戈比
(4)
German currency 德币
1 m. 60 = one
mark sixty pfennig
-马克六十芬尼
(5)French
currency 法国币
1 fr.30 = one franc.
thirty (centimes) -法郎三十生丁
0 fr.15 =
fifteen centimes
十五生丁
(6) Chinese
People's Currency 人民币
1.50 = one
yuan and a half 一元五角
JMP 10.35 = JMP
ten yuan thirty-five (fen)
人民币十元三角五分
附注:yuan单复数没有变化:也可作为日本本位币“圆”的符号。
8. Weight and
Measures
度量衡
(1)length,area,
and volume 长度、面积和容积
3 in = three
inches 三英寸
15 ft.5 in = fifteen foot
five (inches) 十五英尺五英寸
[附注]
尤其在inches省略时,
ft.读作foot;如果inches也念出来,ft可以读作fett.
18'6
5/1"= eighteen foot six and a fifth
(inches)
10×8feet= ten by eight feet
十英尺长,八英尺宽
5"×4×31/2 = five inches by
four by three and a half
长五英寸,宽四英寸,高三英寸半
[附注]
以上二例中,乘号×表示面积或容积。
(2)Weight
重量
12 dr. 23 gr.= Twelve drams
twenty-three grains 十二打兰二十三喱
10 oz.
4 dr. = Ten ounces four drams
十盎司打兰
(3)Capacity
容量
3 gi. = three gills
三及耳
1 qt. 1 pt = one quart one pint
一夸脱一品脱
[附注] qt.,pt.
的复数是qts.,pts.,也可以不加s.
20 gal. 5 qt.
=Twenty gallons five quarts
二十加仑五夸脱
5 bu. 3 pk. = Five bushels
three pecks
五蒲式耳三配克
+
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
℃ Celsius
system 摄氏度
{ open brace, open
curly 左花括号
} close brace, close
curly 右花括号
( open parenthesis, open
paren 左圆括号
) close parenthesis,
close paren 右圆括号
() brakets/
parentheses 括号
[ open bracket
左方括号
] close bracket
右方括号
[] square
brackets 方括号
. period,
dot 句号,点
| vertical bar, vertical
virgule 竖线
&
amp; ampersand, and, reference,
ref 和,引用
* asterisk, multiply, star,
pointer 星号,乘号,星,指针
/ slash, divide,
oblique 斜线,斜杠,除号
// slash-slash,
comment
双斜线,注释符
# pound 井号
\ backslash, sometimes
escape 反斜线转义符,有时表示转义符或续行符
~ tilde 波浪符
. full
stop 句号
, comma 逗号
: colon 冒号
; semicolon 分号
? question
mark 问号
! exclamation mark
(英式英语)
exclamation point
(美式英语)
' apostrophe 撇号
- hyphen 连字号
-- dash
破折号
... dots/
ellipsis 省略号
" single quotation
marks 单引号
"" double quotation marks
双引号
‖ parallel
双线号
~ swung dash
代字号
§ section; division
分节号
→ arrow 箭号;参见号