数学公式和符号的念法

1、数学公式和符号的念法1 alpha a:lf 阿尔法 角度；系数 2 beta bet 贝塔 磁通系数；角度；系数 3 gamma ga:m 伽马 电导系数（小写） 4 delta delt 德尔塔 变动；密度；屈光度 5 epsilon epsilon 伊普西龙 对数之基数 6 zeta zat 截塔 系数；方位角；阻抗；相对粘度；原子序数 7 eta eit 艾塔 磁滞系数；效率（小写） 8 thet it 西塔 温度；相位角 9 iot aiot 约塔 微小，一点儿 10 kappa kap 卡帕 介质常数 11 lambda lambd 兰布达 波长（小写）；体积 12 mu mju

2、缪 磁导系数；微（千分之一）；放大因数（小写） 13 nu nju 纽 磁阻系数 14 xi ksi 克西 15 omicron omikron 奥密克戎 16 pi pai 派 圆周率=圆周÷直径=3.1416 17 rho rou 肉 电阻系数（小写） 18 sigma sigma 西格马 总和（大写），表面密度；跨导（小写） 19 tau tau 套 时间常数 20 upsilon jupsilon 宇普西龙 位移 21 phi fai 佛爱 磁通；角 22 chi phai 西 23 psi psai 普西 角速；介质电通量（静电力线）；角 24 omega omiga 欧米

3、伽 欧姆（大写）；角速（小写）；角 希腊字母读法 ：阿尔法 Alpha ：贝塔 Beta ：伽玛 Gamma ：德尔塔 Delte ：艾普西龙 Epsilon ：捷塔 Zeta ：依塔 Eta ：西塔 Theta ：艾欧塔 Iota ：喀帕 Kappa ：拉姆达 Lambda ：缪 Mu ：拗 Nu ：克西 Xi ：欧麦克轮 Omicron ：派 Pi ：柔 Rho ：西格玛 Sigma ：套 Tau ：宇普西龙 Upsilon ：fai Phi ：器 Chi ：普赛 Psi ：欧米伽 Omega 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，

4、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ampersa

5、nd = andswung 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i

6、s 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pi 圆周率triangle

7、 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( 阿而法) ( 贝塔) (伽马） （德尔塔） （艾普西龙） （截塔） （艾塔） （西塔） 约塔） （卡帕） （兰姆达） （米尤） （纽） （可系） （奥密克戎） （派） （若） （西格马） （套） （英文或拉丁字母）（斐） （喜） （普西） （欧米伽）各种符号的英文读法'

8、;exclaim''!' 'at''' 'number sign''#' 'dollar''$' 'percent''%' 'caret''' 'ampersand''&' 'asterisk''*' 'parenleft''(' 'parenright'')' 'min

9、us''-' 'underscore''_' 'equal''=' 'plus''+' 'bracketleft''' 'braceleft''' 'bracketright''' 'braceright''' 'semicolon''' 'colon'':' 'quote

10、9;''' 'doublequote''"' 'backquote'''' 'tilde''' 'backslash''' 'bar''|' 'comma'',' 'less''<' 'period''.' 'greater''>' 'slash&#

11、39;'/' '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 &q

12、uot; 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 e

13、qual 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

14、(proportion) 等于，成比例 angle 角 semicircle 半圆 circle 圆 circumference 圆周 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

15、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

16、 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、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

18、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 a

19、nd 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

20、 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 a

21、nd 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 fo

22、ur 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) 267the sum (or total) is 267. 演算时的读法： Three and seven ar

23、e 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

24、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

25、five wont 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 cant take (or subtract) five from four; I must borrow ten; five from fourteen leaves nine.- The difference (or The remainder) is nine thousand onehundred. 5210 (take or su

26、bstracted) 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 Nin

27、e 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 nin

28、e) 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 a

29、re six and one are seven. Four and three make seven. (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 quotient is 198, and 13 remainder. 演算时的读法: Fifteen in

30、to thirteen wont go ; fifteen into one hundred and thirty-eight goes nine times; nine times fifteen are one hundred and thrifty-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

31、 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 t

32、he 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 hundred (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

33、钟 (2)Date 日期 Oct.1 =October first 10月1日 Oct.1st = October the first 10月1日 1st Oct. 1949 = the 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; ninetee

34、n 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 =

35、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

36、 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, Scene 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

37、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

38、 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 penny halfpenny or three halfpenny 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 1.1

39、8 = (or1.18s.)= 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

40、 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 te

41、n 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feet. 18'6 5/1"= eighteen foot six and a

42、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