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各种符号的英文读法

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2021-02-01 11:48
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2021年2月1日发(作者:presentation是什么意思)


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





?



semicircle


半圆








circle







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





?



minute





?



second







number


?号






Celsius system


摄氏度






at


单价



x'



x prime(


比如转置矩阵


)


x



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



round









倒三角 符号(不好意思,打不出来


2






nabla


或 者


del






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

< p>



of ...













二、一些函数关系的读法










A



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



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



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

< p>


8








6.18 = six eighteen 6



18








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



ei



em]


上午


8



30








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








0910 = 0 nine ten (


上午


)9



10








1300 = thirteen hundred 13< /p>



(


下午


1



)






1525 = fifteen twenty-five 15



25



(


下午


3



25



)






2000 = twenty hundred 20



(


下午


8



)






at 5 o



c =at five o



clock


五点钟











(2)Date


日期







Oct.1 =October first 10



1








Oct.1st = October the first 10



1








Ist Oct. 1949 = teh first of October, nineteen


forty-nine 1949



10



1








3/5


=


[



]May


(the)


third


5



3


日;


[

< p>


]March fifth 3



5








[


附注


]


联系日期 前置词用


on.






-


-


-


-


-


-


-


-



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