常见数学公式和符号的英文读法大全.doc

常见数学公式和符号的英文读法大全+ 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；参见号更全面：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 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=3.141617 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，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 = 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 单价各种符号的英文读法exclam!atnumbersign#dollar$percent%caretampersand&asterisk*parenleft(parenright)minus-underscore_equal=plus+bracketleftbraceleftbracketrightbracerightsemicolon;colon:quotedoublequotebackquotetildebackslashbar|comma,lessslash/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 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 ArabicNumerals Numerals罗马数字 阿拉伯数字读法 数码 读法I 1 one 1st the firstII 2 two 2nd the secondIII 3 three 3rd the thirdIV 4 four 4th the fourthV 5 five 5th the fifthVI 6 six 6th the sixthVII 7 seven 7th the seventhVIII 8 eight 8th the eighthIX 9 nine 9th the ninthX 10 ten 10th the tenthXI 11 eleven 11th the eleventhXII 12 twelve 12th the twelfthXIII 13 thirteen 13th the thirteenthXIV 14 fourteen 14th the fourteenthXV 15 fifteen 15th the fifteenthXVI 16 sixteen 16th the sixteenthXVII 17 seventeen 17th the seventeenthXVIII 18 eighteen 18th the eighteenthXIX 19 nineteen 19th the nineteenthXX 20 twenty 20th the twentiethXXI 21 twenty-one 21st the twenty-firstXXV 25 twenty-five 25th the twenty-fifthXXX 30 thirty 30th the thirtiethXL 40 forty 40th the fortiethL 50 fifty 50th the fiftiethLX 60 sixty 60th the sixtiethLXX 70 seventy 70th the seventiethLXXX 80 eighty 80th the eightiethXC 90 ninety 90th the ninetiethIC 99 ninety-nine 99th the ninety-ninthC 100 one hundred 100th the hundredthCII 102 a hundred 102nd the (one) hundredand two and second246 two hundred and forty-six751 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 trillion2.Fractions 分数通常将分子读为基数，将分母读为序数。1/2 = a (or one) half1/3 = a (or one) third1/4 = a quarter or one fouth1/5 = a (or one) fifth2/3 = two thirds9/10 = nine tenths53/4 = five and three quarters15/64= fifteen over (or by) sixty-four15% = fifteen per cent4 = four per mill3.Decimals 小数0.4 = zero (or nought) point four.01 = point (or decimal) nought one12.34 = twelve point three four567.809 = five hundred and sixty-seven point eight nought nine30.45 = thirty point four five, five recurring0.3% = decimal three percent4.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 are ten; I write(or I write down,or I put down)a noughtand carry one. Four and one that I carry are five, and eight make thirteen,and threesixteen; I write down six and carry one. One and one (that I carry) are two; I put downtwo.- The sum (or total, or the result of the addition) is two hundred and sixty. 37,80and 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 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 substracted) from 14,310 leaves 9,100.(3)Multiplication 乘法10=0 One multiplied by nought equals nought.11=1 Once one is one.21=2 Twice one is two.35=15 Three times five is fifteen60=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 fiveand carry four. Five times seven are thirty-five and four (that I carry) are thirty-nine; I writedown nine and carry three. Five times six make thirty and three (that I carry) thirty-three; I putdown thirty-three.Eight times nine (or Eight nine) are seven two; I write two and carry seven. Eight sevens makefifty-six and seven are sixty-three. I put down three and carry six. Eight sixes make forty-eightand 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 aresix and one are seven. Four and three make seven. Five.(4)Division 除法93=3 Nine divided by three maks (or is equal to) three.205=4 Five into twenty goes four times.456723=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 wont go ; fifteen into one hundred and thirty-eight goes ninetimes; nine times fifteen are one hundred and threty-five; one hundred and thirty-five from one hundredand thirty-eight leaves three; I bring down seven; fifteen into thirty-seven goes twice; twice fifteenare 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.58 = 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 oc =at five oclock 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 sixty19- nineteen something1950s 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-three1227 = one double two (or two two) seven0386 = O three eight six0096 = double O(or O O )nine six7000 = seven O double O = seven thousandNo.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 = (or1.18s.)= one pound eighteen (shillings) 一镑十八先令1.3s.6d. = one pound, three shillings (and) sixpence4/51/2(or4s.51/2d.) = four (shillings) and five pence halfpenny(2)U.S. currency1.20 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 Peoples 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.186 5/1= eighteen foot six and a fifth (inches)108feet= ten by eight feet 十英尺长，八英尺宽5431/2 = 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 五蒲式耳三配克数学专业英语词汇代数部分 1. 有关数*算 add，plus 加 subtract 减 difference 差 multiply, times 乘 product 积 divide 除 divisible 可被整除的 divided evenly 被整除 dividend 被除数，红利 divisor 因子，除数 quotient 商 remainder 余数 factorial 阶乘 power 乘方 radical sign, root sign 根号 round to 四舍五入 to the nearest 四舍五入 2. 有关集合 union 并集 proper subset 真子集 solution set 解集 3.有关代数式、方程和不等式 algebraic term 代数项 like terms, similar terms 同类项 numerical coefficient 数字系数 literal coefficient 字母系数 inequality 不等式 triangle inequality 三角不等式 range 值域 original equation 原方程 equivalent equation 同解方程，等价方程 linear equation 线性方程(e.g. 5x+6=22) 4.有关分数和小数 proper fraction 真分数 improper fraction 假分数 mixed number 带分数 vulgar fraction，common fraction 普通分数 simple fraction 简分数 complex fraction 繁分数 numerator 分子 denominator 分母 (least) common denominator （最小）公分母 quarter 四分之一 decimal fraction 纯小数 infinite decimal 无穷小数 recurring decimal 循环小数 tenths unit 十分位 5. 基本数学概念 arithmetic mean 算术平均值 weighted average 加权平均值 geometric mean 几何平均数 exponent 指数，幂 base 乘幂的底数,底边 cube 立方数，立方体 square root 平方根 cube root 立方根 common logarithm 常用对数 digit 数字 constant 常数 variable 变量 inverse function 反函数 complementary function 余函数 linear 一次的，线性的 factorization 因式分解 absolute value 绝对值，e.g.-32=32 round off 四舍五入 6.有关数论 natural number 自然数 positive number 正数 negative number 负数 odd integer, odd number 奇数 even integer, even number 偶数 integer, whole number 整数 positive whole number 正整数 negative whole number 负整数 consecutive number 连续整数 real number, rational number 实数,有理数 irrational（number） 无理数 inverse 倒数 composite number 合数 e.g. 4,6,8,9,10,12,14,15 prime number 质数 e.g. 2,3,5,7,11,13,15 注意：所有的质数(2除外)都是奇数，但奇数不一定是质数 reciprocal 倒数 common divisor 公约数 multiple 倍数 (least)common multiple (最小)公倍数 (prime) factor (质)因子 common factor 公因子 ordinary scale, decimal scale 十进制 nonnegative 非负的 tens 十位 units 个位 mode 众数 median 中数 common ratio 公比 7.数列 arithmetic progression(sequence) 等差数列 geometric progression(sequence) 等比数列 8.其它 approximate 近似 (anti)clockwise (逆) 顺时针方向 cardinal 基数 ordinal 序数 direct proportion 正比 distinct 不同的 estimation 估计，近似 parentheses 括号 proportion 比例 permutation 排列 combination 组合 table 表格 trigonometric function 三角函数 unit 单位,位 几何部分 1. 所有的角 alternate angle 内错角 corresponding angle 同位角 vertical angle 对顶角 central angle 圆心角 interior angle 内角 exterior angle 外角 supplementary angles 补角 complementary angle 余角 adjacent angle 邻角 acute angle 锐角 obtuse angle 钝角 right angle 直角 round angle 周角 straight angle 平角 included angle 夹角 2.所有的三角形 equilateral triangle 等边三角形 scalene triangle 不等边三角形 isosceles triangle 等腰三角形 right triangle 直角三角形 oblique 斜三角形 inscribed triangle 内接三角形 3.有关收敛的平面图形，除三角形外 semicircle 半圆 concentric circles 同心圆 quadrilateral 四边形 pentagon 五边形 hexagon 六边形 heptagon 七边形 octagon 八边形 nonagon 九边形 decagon 十边形 polygon 多边形 parallelogra