数学运算符 的英文表达
数学运算符号的英文表达
小数、分数、百分数和运算符号
1. 小数表示法
(1) 小数的读法
小数点左边的数通常按基数词读，若为三位以上的数，也可按编码式读法读出，即将数字单个读出；小数点右边的数通常按编码式读法单个读出。如：
6.86 six point eight six
14.15 fourteen point one five
345.456 three four five point four five six
或three hundred and forty－five point four five six
(2) 小数中“0”的读法
“0”在小数中通常读作nought（英）或zero（美），也可读作字母o。如：
0.08 （nought）point nought eight 或（zero）point zero eight
9.07 nine point o seven
2. 百分数表示法
百分数中的百分号％读作percent。如：
6% 读作 six percent
0.6% 读作（nought） point six percent
500% 读作five hundred percent
3. 倍数表示法
倍数表示方法很多，如：
This room is four times as big as mine. 这个房间是我房间的四倍。
This room is three times larger than that one. 这个房间比那个房间大两倍。The output of coal has doubled. 煤的产量增加了一倍。
My aunt is as old again as I am. 我姑姑年龄比我大一倍。
Productivity is increased three fold. 生产效率提高了两倍。
The volume of the Sun is about 1,300,000 times that of the Earth.
太阳的体积约为地球的1300000倍。
4. 加减乘除式的读法
6+5＝11 Six plus five is eleven 或Six and five is eleven.
11-6＝5 Eleven minus six is five. 或Six from eleven is five.
4×5＝20 Four multiplied by five is twenty.或Four times five is twenty.
20÷4＝5 Twenty divided by four is five. 或Four into twenty goes five. 15:5＝3 The ratio of fifteen to five is three.
32 Three squared is nine.
23 Two cubed is eight.
24 The fourth power of two is sixteen.
X^(1/2)=Y The square root of X is Y.
X^(1/3)=Y The cubic root of X is Y.
a ＞
b a is more than b.
a ＜
b a is less than b.
a ≈
b a approximately equals to b.
a ≠
b a is not equal to b.
5. 分数表示法
(1) 较小分数的一般读写方法。如：
1/3 one-third 2/3 two-thirds 3/5 three-fifths
(2) 较复杂分数的简明读写方法。如
22/9 twenty-two over nine
a/b a over b 或a divided by b 43/97 forty-three over ninety-seven
(3) 整数与分数之间须用and连接。如：
four and a half nine and two fifths
(4) 分数用作前置定语时，分母要用单数形式。注意下列写法与读法。如：
a one-third mile1/3英里 a three-quarter majority3/4的多数
常用标点符号用法
常用缩略语表
．period 句号
，comma 逗号
：colon 冒号
；semicolon 分号
！ exclamation 惊叹号
？question mark 问号
￣ 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
《》 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 ;
→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 ;
∴hence 所以
∷equals ,
∠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
标点符号和运算符号
常用标点符号用法
句号 Period
用以表示一个句子的结束
Hockey is a popular sport in Canada.
The federal government is based in Ottawa.
用在缩写中
B.C. is the province located on the West Coast. Dr. Bethune was a Canadian who worked in China. The company is located at 888 Bay St. in Toronto.
It is 4:00 p.m. in Halifax right now.
问号 Question Mark [?]
在句子的结尾使用问号表示是直接疑问句：
How many provinces are there in Canada?
注意：在间接疑问句结尾不要加问号：
The teacher asked the class a question.
Do not ask me why.
叹号 Exclamation Mark [!]
在句子的结尾使用叹号表示惊讶、兴奋等情绪：
We won the Stanley Cup!
The forest is on fire!
逗号 Comma [,]
句子中的停顿
Therefore, we should write a letter to the prime minister. 在疑问句中引出说话人：
"I can come today," she said, "but not tomorrow."
排列三个或以上的名词：
Ontario, Quebec, and B.C. are the three biggest provinces. 引出定语从句
Emily Carr, who was born in 1871, was a great painter. 单引号 Apostrophe [']
表示所有
This is David's computer.
These are the player's things. (things that belong to the player)
Note: 对于复数形式的名词，只加'
These are the players' things. (things that belong to the players)
缩写I don't know how to fix it.
引号Quotation Marks ["]
直接引出某人说的话：
The prime minister said, "We will win the election."
"I can come today," she said, "but not tomorrow."
冒号Colon [:]
引出一系列名词
There are three positions in hockey: goalie, defence, and forward.
引出一个较长的引语
The prime minister said: "We will fight. We will not give up. We will win the next election."
分号Semicolon [;]
将两个相关的句子连接起来
The festival is very popular; people from all over the world visit each year.
和逗号一同使用引出一系列名词
The three biggest cities in Canada are Toronto, Ontario; Montreal, Quebec; and Vancouver, B.C. 破折号Dash [-]
在一个句子前作总结
Mild, wet, and cloudy - these are the characteristics of weather in Vancouver.
在一个句子的前面或后面加入额外的注释
The children - Pierre, Laura, and Ashley - went to the store. Most Canadians - but not all - voted in the last election.
表示某人在说话过程中被打断
The woman said, "I want to ask - " when the earthquake began to shake the room.
连字符Hyphen [-]
连接两个单词
sweet-smelling
fire-resistant
将前缀
anti-Canadian
non-contact
在数字中使用
one-quarter
twenty-three
加、减、乘、除的表示法
加、减、乘、除的表示法：
1．加：用and ,plus , added to 等词表示。
2 ＋ 4 ＝ 6 可译为：
Two and four is six .
Two plus four is equal to six .
Two added to four equals six .
Two and four makes six .
Two plus four will be six .
If you add two to four , you get six .
2．减：用minus, taken from, subtracted from 等表示。
8－3=可译为：
Eight minus three is five .
Eight minus three is equal to five .
Three taken from eight leaves five .
Three subtracted from eight leaves five .
Take three from eight and the remainder is five .
3．乘：用multiply···by···/ multiplied by / time 等表示。
3 × 5 = 15可译为：
Multiply three by five is (gives)fifteen .
Three multiplied by five is fifteen .
Multiply three by five , you get fifteen .
Three times five is (makes, will be , equals, is equal to ) fifteen . 4．除：用divide···by···/ divided by / divide···into··· / into 等表示。
24 ÷ 8 = 3 可译为：
Twenty-four divided by eight makes (is , equals ) three .
Twenty-four divided by eight is equal to three .
Eight into twenty-four goes three times .
Divide eight into twenty-four , and you get three .
Divide twenty-four by eight , and you get three .
度量衡分类
1. 国际制度的单位
国际制度（The International System，缩写为SI，是国际制度的法语名称）被1960年的第十一届大会用于度量衡。公制的扩大和修改版本，即国际制度针对了现代科学附加的及更加正确的度量单位的需要。国际制度的主要特点是采用了十进制法、字首体系、以不变的物理度量方式解释的标准。
2. 基本单位
国际制度有基本单位，由此衍生出此制度中的其他单位。除千克以外，基本单位的标准以不变的且可再生的物理事件为解释。例如，公尺被解释为光在真空中以每1/299,792,458秒的速度所穿越的距离。千克的标准是指置于法国塞夫勒的国际度量及标准局的白金铱圆柱为准。
计量单位计量范畴符号
meter 公尺length 长度m
kilogram 千克mass 质量kg
second 秒time 时间s
ampere 安培 electric current 电流 A
kelvin 开temperature 温度K
mole 摩尔 amount of matter 数量mol
candela 烛光 luminous intensity 发光强度cd
3. 辅助单位
国际制度采用了两种辅助单位，其依据于抽象的几何概念而非物理标准。
计量单位计量范畴符号
radian 弧度 plane angles平面角rad
steradian 立体弧度solid angles立方角sr
4. 前缀
经由在单位名称前面加一前缀构成国际制度单位的倍数。前缀通常按顺序从10的18次幂到10的-18次幂改变单位的量。
前缀符号乘法因数
exa-代表10的18次幂 E 10的18次幂 =1,000,000,000,000,000,000
peta-代表10的15次幂P 10的15次幂 =1,000,000,000,000,000
tera-代表"万亿" T 10的12次幂 =1,000,000,000,000
giga-代表"十亿" G 10的9次幂 =1,000,000,000
mega-代表"百万" M 10的6次幂 =1,000,000
kilo-代表"千" K 10的3次幂 =1,000
hecto-代表"百" h 10的2次幂 =100
deca-代表"十" da 10 = 10
deci-代表"十分之一" d 10的-1次幂 =0.1
centi-代表"百分之一" c 10的-2次幂 =0.01
milli-代表"千分之一" m 10的-3次幂 =0.001
micro-代表"百万分之一" μ10的-6次幂 =0.000,001
nano-代表"毫微" n 10的-9次幂 =0.000,000,001
pico-代表"万亿分之一" p 10的-12次幂 =0.000,000,000,001
femto-代表"千万亿分之一" f 10的 15次幂 =0.000,000,000,000,001 atto-代表"百亿亿分之一" a 10的 18次幂 =0.000,000,000,000,000,001
5. 附加单位
几个非国际制度的单位。
计量单位计量范畴符号
angstrom 埃(=10 -10米) length 长度 A
electron-volt 电子伏特(=0.160焦耳) energy 能量eV
hectare 公顷(=10,000平方米) land area 面积ha
liter 升(=1.0立方米) volume or capacity容积或容量l standard atmosphere 标准大气压(=101.3毫巴) pressure 压强atm
6. 导出单位
国际制度中大多数单位都是导出单位，即以基本单位和补充单位的方式加以解释的单位。导出单位可分为两组──具有特定名称和符号的一组，不具有特定名称和符号的一组。
第一组，带有特定名称和符号的导出单位：
计量单位计量范畴符号
coulomb 库 electric charge 电量 C
farad 法拉 electric capacitance 电容 F
henry 亨利inductance 电感H
hertz 赫兹frequency 频率Hz
joule 焦耳 quantity of energy 能量J
lumen 流明flux of light 光通量lm
lux 勒克斯 illumination 照度lx
newton 牛顿force 力N
ohm 欧姆electric resistance 电阻?
pascal 帕斯卡pressure 压强Pa
tesla 特斯拉magnetic flux density 磁通量密度T
volt 伏特 voltage 电压V
watt 瓦特power 功率W
weber 韦伯 magnetic flux 磁通量Wb
第二组，无特定名称和符号的导出单位：
计量范畴推导方式
acceleration 加速度m/s2
angular acceleration 角加速度rad/s2 angular velocity 角速度rad/s
density 密度kg/m3
electric field strength 电场量V/m luminance 亮度cd/m2
magnetic field strength 磁场量A/m velocity 速度m/s
常用标点符号用法
常用缩略语表
．period 句号
，comma 逗号
：colon 冒号
；semicolon 分号
！ exclamation 惊叹号
？question mark 问号
￣ 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
[] 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 ;
→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 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 ;
∴hence 所以
∷equals ,
∠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
英语书信写作指导
—、书信写作要求
书信(Letter)一般可分为事务信件或公函(Business Letter or Offical Correspondence)以及私人信件
(Private Letter)两大类。一般包括以下几个要点：
1）收信人的姓名和地址；
2）寄信人的姓名及其与收信人的关系；
3）寄信人的地址（有时可以省略）；
4）写信的时间；
5）信的内容。
1. 书信的格式
1）信头(Heading)；
2）称呼(Salutation)；
3）正文(Body of the letter)；
4）结束语(Complimentary close)；
5）签名(signature)。
2. 书信的种类
1）邀请信
邀请信有正式和非正式之分，也有介于两者之间者。正式邀请信一般属于公函类，私人邀请信一般属于非正式文体。邀请朋友、熟人参加某一聚会时，再词句上不一定多加斟酌，用词太正规倒显得关系不密切。但是如果与被邀请人不太熟悉的话，最好用正式文体。如虽认识但并不十分了解，文体可介于两个者之间。由此可见，私人邀请究竟用什么文体，关键看与被邀请人之间的亲疏的程度。邀请信要明确写出活动（是晚会、晚餐还是一般的聚会等）、活动的时间地点组织这项活动的理由，有时还应告诉对方可能出席的人，另外一般希望对方给予答复。
（1）非正式邀请信，如；
26 Coventry St.
London
Sept. 15th, 1999.
Dear Jack,
I am going to the cinema to see the Red River Valley and I have two tickets. Would you like to come? The film starts at 7:30 p.m. Maybe we can meet at the Covent Garden Station at 7:00 p.m. and have a drink before the film starts. Please phone me at home to let me know.
Looking forward to seeing you.
Love
Mary
这封信是写给朋友的，所以用语比较随便，比较口语化。
（2）正式邀请信，如：
Dear Ms. Gupta;
It’s our great pleasure to announce that Jan. 19th is the 3rd anniversary of the founding of our corporation. We have a small party as follows: 7:00p.m.,Jan. 19th, Room No.123, Kunlun Hotel. At this moment, we would like to express our sincere gratitude to our clients for both courtesy and support over the past three years. Please confirm if you plant to attend.
Yours Sincerely,
Lewis
这是一封正式邀请信，十分正规，无论从句式，还是用语都十分讲究。
(3) 介于正式和非正式之间的邀请信，如：
No.4 Middle School
Beijing 100034
April 29th,2000
Dear Miss Katherine,
I am very pleased to write to you. My name is Yu Hong and I am monitor of Class One, Grade Three of the No.2 Middle School of Ji'nan. Last year, you came here to give a speech, which was "Fast Reading". My classmates and I all thank you very much. We will have an English evening at 7:00--9:00 on the evening of May 4th in our classroom. Would you please come and attend the evening party? At the party, we will sing English songs, play games and so on. And we are anxious to invite you to come to sing us an English song. After that we can enjoy the music. We hope to see you soon.
Yours
Yu Hong
这封信是写给一位外籍教师的，这位外籍教师曾经到过这所学校，虽然作者认识，但并不十分了解。
2）感谢信
感谢信可分为感谢馈赠、感谢款待、感谢帮助、感谢送行和感谢探病等。
感谢信一般包括以下几点：
①对收信人的称谓；
②写信的目的；（Thank you for…）
③致谢并详述所收到的礼物或得到的帮助等；
④结尾及谦称。
如：
Dear Ms. Gupta:
How regretful I must leave you house. Thank you for the many good things you provided. The chess game, tennis match and Mr. Gupta's delicious dishes gave me lots of enjoyment. If you came to Beijing for any reason, please come to my family. The kids are looking forward to seeing Aunt Jean. I believe we will have a very happy time.
Yours Sincerely, Lewis
数学运算英语表示
英语加减乘除表达 1.加减乘除公式 ⑴ A＋B＝C A plusB equals/is C 20＋5＝25 Twenty plus 5 equals/is twenty-five. ⑵ A－B＝C A minusB equals/is C 20－5＝15 Twenty minus 5 equals/is fifteen. ⑶ A×B＝C A multiplied byB equals/is C 20×5＝100 Twenty multiplied by 5 equals/is one hundred. ⑷ A÷B＝C A divided byB equals/is C 20÷5＝4 Twenty divided by 5 equals/is four. 2.加减乘除口语化的表达 ⑴ Add twenty and five, we can get twenty-five. ⑵ Subtract five from twenty, we can get fifteen. ⑶ Multiply twenty by five, we can get one hundred. ⑷ Divide twenty by five, we can four. 3. 用how much对加减乘除进行提问 ⑴Twenty minus five equals fifteen. How much does twenty minus five equal? ⑵Twenty minus five is fifteen. How much is twenty minus five? 英语分数、小数及百分数的表达 1.表达形式 ⑴分数 ①基本规则：子基母序（即：分子用基数词，分母用序数词） 1/3 one third 1/8 one eighth 1/12 one twelfth ②当分子大于1时，分母要加s变成复数。 2/3 two thirds 3/8 three eighths 5/12 five twelfths ③特殊的表达： 1/4 可以表示为 one fourth 或者 a quarter 3/4 可以表示为 three fourth 或者 three quarters 1/2 a half ⑵.小数 小数点前后的数均按基数词来读，小数点读成point，小数点后的数字逐位读出。 3.1415926 three point one four one five nine two six 0.463 zero point four six three ⑶.百分数 汉语中先读百分号，再读数字；英语中恰恰相反：先念出数字，再加上百分号percent 80% eighty percent 99.5% ninety-nine point five percent
数学符号英文表示
英语数学符号 +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 greater 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 ℃Celsius system摄氏度 {open brace, open curly左花括号 }close brace, close curly右花括号
数学符号的英文读法
常用的数学英语表述 1.Logic ?there exist ?for all p?q p implies q / if p, then q p?q p if and only if q /p is equivalent to q / p and q are equivalent 2.Sets x∈A x belongs to A / x is an element (or a member) of A x?A x does not belong to A / x is not an element (or a member) of A A?B A is contained in B / A is a subset of B A?B A contains B / B is a subset of A A∩B A cap B / A meet B / A intersection B A∪B A cup B / A join B / A union B A\B A minus B / the diference between A and B A×B A cross B / the cartesian product of A and B 3. Real numbers x+1 x plus one x-1 x minus one x±1 x plus or minus one xy xy / x multiplied by y (x - y)(x + y) x minus y, x plus y x y x over y = the equals sign x = 5 x equals 5 / x is equal to 5 x≠5 x (is) not equal to 5 x≡y x is equivalent to (or identical with) y x ≡ y x is not equivalent to (or identical with) y x > y x is greater than y x≥y x is greater than or equal to y x < y x is less than y x≤y x is less than or equal to y 0 < x < 1 zero is less than x is less than 1 0≤x≤1 zero is less than or equal to x is less than or equal to 1 | x | mod x / modulus x x 2 x squared / x (raised) to the power 2 x 3 x cubed x 4 x to the fourth / x to the power four
高等数学名词(中英文对照)
高等数学名词(中英文) 第一章函数与极限 Chapter1 Function and Limit 集合set 元 素element 子集subset 空集empty set 并集union 交集intersection 差 集difference of set 基本集basic set 补 集complement set 直积direct product 笛卡儿积Cartesian product 开区间open interval 闭区 间closed interval 半开区间 half open interval 有限区间 finite interval 区间的长度length of an interval 无限区间infinite interval 邻域neighborhood 邻域的中心centre of a neighborhood 邻域的半径radius of a neighborhood 左邻域left neighborhood 右邻域right neighborhood 映射mapping X 到Y 的映射mapping of X onto Y 满射surjection 单射injection 一一映射one-to-one mapping 双射bijection 算子operator 变化transformation 函数function 逆映射inverse mapping 复合映射composite mapping 自变量independent variable 因变量dependent variable 定义域domain 函数值value of function 函数关系function relation 值域range 自然定义域natural domain 单值函数single valued function 多值函数multiple valued function 单值分支one-valued branch 函数图形graph of a function 绝对值函数absolute value 符号函数sigh function 整数部分integral part 阶梯曲线step curve 当且仅当if and only if(iff) 分段函数piecewise function 上界upper bound 下界lower bound 有界boundedness 无界unbounded 函数的单调性monotonicity of a function 单调增加的increasing 单调减少的decreasing 单调函数monotone function 函数的奇偶性parity(odevity) of a function 对称symmetry 偶函数even function 奇函数odd function 函数的周期性periodicity of a function 周期period 反函数inverse function 直接函数direct function 复合函数composite function 中间变量intermediate variable 函数的运算operation of function 基本初等函数basic elementary function
数学公式的英文表达
数学公式的英文表达 Pronunciation of mathematical expressions The pronunciations of the most common mathematical expressions are given in the list below. In general, the shortest versions are preferred (unless greater precision is necessary). 1. Logic 9 there exists 8 for all p ) q p implies q / if p, then q p , q p if and only if q /p is equivalent to q / p and q are equivalent 2. Sets x 2 A x belongs to A / x is an element (or a member) of A x =2 A x does not belong to A / x is not an element (or a member) of A A ? B A is contained in B / A is a subset of B A ? B A contains B / B is a subset of A A \ B A cap B / A meet B / A intersection B A [ B A cup B / A join B / A union B A n B A minus B / the di?erence between A and B A ￡ B A cross B / the cartesian product of A and B 3. Real numbers x + 1 x plus one x ° 1 x minus one x ? 1 x plus or minus one xy xy / x multiplied by y (x ° y)(x + y) x minus y, x plus y x y x over y = the equals sign x = 5 x equals 5 / x is equal to 5 x 6= 5 x (is) not equal to 5 1 x ￥ y x is equivalent to (or identical with) y x 6￥ y x is not equivalent to (or identical with) y x > y x is greater than y x ? y x is greater than or equal to y x < y x is less than y x · y x is less than or equal to y 0 < x < 1 zero is less than x is less than 1 0 · x · 1 zero is less than or equal to x is less than or equal to 1 jxj mod x / modulus x x2 x squared / x (raised) to the power 2 x3 x cubed x4 x to the fourth / x to the power four
常用符号和运算符的英语描述
一、数学运算符号的英文表达(小数、分数、百分数和运算符号) 1. 小数表示法 (1) 小数的读法 小数点左边的数通常按基数词读，若为三位以上的数，也可按编码式读法读出，即将数字单个读出；小数点右边的数通常按编码式读法单个读出。如： 6.86 six point eight six 14.15 fourteen point one five 345.456 three four five point four five six 或three hundred and forty－five point four five six (2) 小数中“0”的读法 “0”在小数中通常读作nought（英）或zero（美），也可读作字母o。如： 0.08 （nought）point nought eight 或（zero）point zero eight 9.07 nine point o seven 2. 百分数表示法 百分数中的百分号％读作percent。如： 6% 读作six percent 0.6% 读作（nought）point six percent 500% 读作five hundred percent 3. 倍数表示法 倍数表示方法很多，如： This room is four times as big as mine. 这个房间是我房间的四倍。 This room is three times larger than that one. 这个房间比那个房间大两倍。 The output of coal has doubled. 煤的产量增加了一倍。 My aunt is as old again as I am. 我姑姑年龄比我大一倍。 Productivity is increased three fold. 生产效率提高了两倍。 The volume of the Sun is about 1,300,000 times that of the Earth. 太阳的体积约为地球的1300000倍。 4. 加减乘除式的读法 6+5＝11 Six plus five is eleven 或Six and five is eleven. 11-6＝5 Eleven minus six is five. 或Six from eleven is five. 4×5＝20 Four multiplied by five is twenty.或Four times five is twenty. 20÷4＝5 Twenty divided by four is five. 或Four into twenty goes five.
英语数学名词大全解析
代数部分 1.有关基本运算：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 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
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.5 x +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
(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
各种数学符号的英文表达
“加减乘除”怎么说？各种数学符号的英文表达，看完学渣变学霸！ 不知大家还记得当年所画过的函数图吗？不停地标点，画线，有时候为了画出好看的弧度，甚至要多擦几遍才能做到...每一条函数都有不一样的形状，把它们组合起来，也许会有意想不到的效果噢 数学，相信对于不少人，特别是文科班女生的来说，都是一个大难题。在考试时，靠的就是自己的英语来拉分。那么，想要用英语来说出数学公式，又该怎么表达呢？
一. 首先区分一下Equations 和Formulas的使用 1. An equation等式 says that two things are equal. It will have an equals sign "=" like this: x + 2 = 6 2. A formula公式 is a special type of equation that shows the relationship between different variables. 也是一种特殊的等式，只不过展示的是不同变量之间的关系 举个栗子：我们常用到的长方体的体积等于长X宽X高就是一个formula V = lwh V stands for volume, l for length, w for width, and h for height. 3. Algebra代数 不用多说，就是XY未知数，多年实战，你们懂的
二. 符号 要说公式，总不能只说个字母就完事吧，加减乘除先来一翻1.加号+ plus x + 1：x plus one 2.减号- minus x -1：x minus one 3.乘号x multiplied by x times y; x multiplied by y 4.除号÷ over; divided by x over y; x divided by y; 除了这些小学的算术题外，还有这些 1.约等于x ≈ y x is approximately equal to y 2.大于等于x ≥ y x is greater than or equal to y 3.小于等于x ≤ y x is less than or equal to y
常用数学符号大全
常用数学符号大全 Company Document number：WTUT-WT88Y-W8BBGB-BWYTT-19998
常用数学输入符号：～～≈ ≡ ≠ ＝≤≥ ＜＞≮≯∷ ±＋－ × ÷／∫ ∮∝∞ ∧∨∑ ∏ ∪∩ ∈∵∴//⊥‖ ∠⌒≌∽√（）【】｛｝ⅠⅡ⊕⊙∥αβγδεζηθΔαβγδεζηθικλμνξοπρστυφχψω ΑΒΓΔΕΖΗΘΙΚ∧ΜΝΞΟ∏Ρ∑ΤΥΦΧΨΩ абвгдеёжзийклмнопрстуфхцчшщъыьэюя АБВГДЕЁЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯ
sin(x) 在自变量x处的正弦函数值 exp(x) 在自变量x处的指数函数值，常被写作e x a^x a的x次方；有理数x由反函数定义 ln x exp x 的反函数 a x同 a^x log b a 以b为底a的对数； b log b a = a cos x 在自变量x处余弦函数的值 tan x 其值等于 sin x/cos x cot x 余切函数的值或 cos x/sin x sec x 正割含数的值，其值等于 1/cos x csc x 余割函数的值，其值等于 1/sin x asin x y，正弦函数反函数在x处的值，即 x = sin y acos x y，余弦函数反函数在x处的值，即 x = cos y atan x y，正切函数反函数在x处的值，即 x = tan y acot x y，余切函数反函数在x处的值，即 x = cot y asec x y，正割函数反函数在x处的值，即 x = sec y acsc x y，余割函数反函数在x处的值，即 x = csc y θ角度的一个标准符号，不注明均指弧度，尤其用于表示atan x/y，当x、y、z用于表示空间中的点时 i, j, k 分别表示x、y、z方向上的单位向量 (a, b, c) 以a、b、c为元素的向量 (a, b) 以a、b为元素的向量 (a, b) a、b向量的点积 ab a、b向量的点积 (ab) a、b向量的点积 |v| 向量v的模 |x| 数x的绝对值 Σ表示求和，通常是某项指数。下边界值写在其下部，上边界值写在其上部。 如j从1到100 的和可以表示成：。这表示1 + 2 + … + n M 表示一个矩阵或数列或其它 |v> 列向量，即元素被写成列或可被看成k×1阶矩阵的向量 数学运算符号的英文表达 小数、分数、百分数和运算符号 1. 小数表示法 (1) 小数的读法 小数点左边的数通常按基数词读，若为三位以上的数，也可按编码式读法读出，即将数字单个读出；小数点右边的数通常按编码式读法单个读出。如： 6.86 six point eight six 14.15 fourteen point one five 345.456 three four five point four five six 或three hundred and forty－five point four five six (2) 小数中“0”的读法 “0”在小数中通常读作nought（英）或zero（美），也可读作字母o。如： 0.08 （nought）point nought eight 或（zero）point zero eight 9.07 nine point o seven 2. 百分数表示法 百分数中的百分号％读作percent。如： 6% 读作 six percent 0.6% 读作（nought） point six percent 500% 读作five hundred percent 3. 倍数表示法 倍数表示方法很多，如： This room is four times as big as mine. 这个房间是我房间的四倍。 This room is three times larger than that one. 这个房间比那个房间大两倍。The output of coal has doubled. 煤的产量增加了一倍。 My aunt is as old again as I am. 我姑姑年龄比我大一倍。 Productivity is increased three fold. 生产效率提高了两倍。 The volume of the Sun is about 1,300,000 times that of the Earth. 太阳的体积约为地球的1300000倍。 4. 加减乘除式的读法 6+5＝11 Six plus five is eleven 或Six and five is eleven. 11-6＝5 Eleven minus six is five. 或Six from eleven is five. 4×5＝20 Four multiplied by five is twenty.或Four times five is twenty. 20÷4＝5 Twenty divided by four is five. 或Four into twenty goes five. 15:5＝3 The ratio of fifteen to five is three. 32 Three squared is nine. 23 Two cubed is eight. 24 The fourth power of two is sixteen. X^(1/2)=Y The square root of X is Y. X^(1/3)=Y The cubic root of X is Y. a ＞ b a is more than b. a ＜ b a is less than b. a ≈ b a approximately equals to b. a ≠ b a is not equal to b. 微积分英文词汇,高数名词中英文对照,高等数学术语英语翻译一览关键词：微积分英文,高等数学英文翻译,高数英语词汇 来源：上海外教网|发布日期：2008-05-1617:12 V、X、Z:? Valueoffunction：函数值 Variable：变数 Vector：向量 X-axis T:? S:? Scalar Secantline：割线 Secondderivative：二阶导数 SecondDerivativeTest：二阶导数试验法Secondpartialderivative：二阶偏导数 Sector：扇形 Sequence：数列 Series：级数 Set：集合 Shellmethod：剥壳法 Sinefunction：正弦函数 Singularity：奇点 Slantasymptote：斜渐近线 Slope：斜率 Slope-interceptequationofaline：直线的斜截式Smoothcurve：平滑曲线Smoothsurface：平滑曲面Solidofrevolution：旋转体 Space：空间 Speed：速率 Sphericalcoordinates：球面坐标SqueezeTheorem：夹挤定理Stepfunction：阶梯函数Strictlydecreasing：严格递减 Sum R:? Right-handlimit：右极限 Root：根 P、Q:? Parabola：抛物线 Paraboliccylinder：抛物柱面 Paraboloid：抛物面 Parallelepiped：平行六面体 Parallellines：并行线 Parameter：参数 数学专业英语词汇英汉对照1 概率论与数理统计词汇英汉对照表 A absolute value 绝对值 accept 接受 acceptable region 接受域 additivity 可加性 adjusted 调整的 alternative hypothesis 对立假设 analysis 分析 analysis of covariance 协方差分析 analysis of variance 方差分析 arithmetic mean 算术平均值 association 相关性 assumption 假设 assumption checking 假设检验 availability 有效度 average 均值 B balanced 平衡的 band 带宽 bar chart 条形图 beta-distribution 贝塔分布between groups 组间的 bias 偏倚 binomial distribution 二项分布binomial test 二项检验 C calculate 计算 case 个案 category 类别 center of gravity 重心 central tendency 中心趋势 chi-square distribution 卡方分布chi-square test 卡方检验 classify 分类 cluster analysis 聚类分析coefficient 系数 coefficient of correlation 相关系数collinearity 共线性 column 列 compare 比较 comparison 对照 + 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 greater 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 ℃Celsius system摄氏度 {open brace, open curly左花括号 }close brace, close curly右花括号 美国高中数学的英语专有名词 + 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 集合set非负整数集the set of all non-negative integers 自然数集 the set of all natural numbers 正整数集the set of all positive integers 整数集 the set of all integers 有理数集 the set of all rational numbers 实数集 the set of all real numbers 属于 belong to 不属于not belong to 有限集 finite set 无限集infinite set 空集 empty set 包含inclusion包含于 lie in 子集 subset 真子集proper set 补集(余补) complementary set 全集universe 交集intersection并集union 偶数集 the set of all even numbers 奇数集 the set of all odd number 含绝对值的不等式inequality with absolute value 一元二次不等式one-variable quadratic inequality 逻辑logic 逻辑联结词 logical connective 原命题original proposition 逆命题 converse proposition 否命题negative proposition 逆否命题 converse-negative proposition 充分条件 sufficient condition 必要条件necessary condition 充要条件 sufficient and necessary condition 函数function 自变量argument定义域 domain 值域 range 区间 interval 闭区间 closed interval 开区间open interval 可逆矩阵（非奇异矩阵）invertible matrix (non-singular matrix) 矩阵的和sum of matrices 矩阵的积product of matrices 矩阵的转置transpose of matrices 矩阵的行列式determinant of matrices 可逆矩阵invertible matrix 单位矩阵unit matrix 零矩阵zero matrix 逆矩阵matrix inverse 伴随矩阵companion matrix 初等矩阵elementary matrix 对角线分块矩阵diagnal .... matrix ＜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 1.Logic ?there exist ?for all p?q p implies q / if p, then q p?q p if and only if q /p is equivalent to q / p and q are equivalent 2.Sets x∈A x belongs to A / x is an element (or a member) of A x?A x does not belong to A / x is not an element (or a member) of A A?B A is contained in B / A is a subset of B A?B A contains B / B is a subset of A A∩B A cap B / A meet B / A intersection B A∪B A cup B / A join B / A union B A\B A minus B / the diference between A and B A×B A cross B / the cartesian product of A and B 3. Real numbers x+1 x plus one x-1 x minus one x±1 x plus or minus one xy xy / x multiplied by y (x - y)(x + y) x minus y, x plus y x/y x over y = the equals sign x = 5 x equals 5 / x is equal to 5 x≠5 x (is) not equal to 5 x≡y x is equivalent to (or identical with) y x≡/y（x不等于y)x is not equivalent to (or identical with) y x > y x is greater than y x?y x is greater than or equal to y x < y x is less than y x?y x is less than or equal to y 0 < x < 1 zero is less than x is less than 1 0?x?1 zero is less than or equal to x is less than or equal + plus, positive －minus, negative ×multiplied by, times ÷(／) divided by = is equal to, equals ≠ not equal to ≈ is approximately equal to, approximately equals ＞greater than ＜less than ≥ equal to or greater than ≤ equal to or less than >> much greater than << much less than ∈is a member of the set ( ) round brackets, parentheses [ ] square brackets { } braces ∽similar to ≌congruent to ⊥perpendicular to, at right angles with ∥parallel to ∠angle ⊙circle e the base o f natural logarithms, approx. 2. 71828 π pi; the ratio of the circumference of a circle to its diameter, diameter, approx, 3.14159 n! factorial n, n( n－1) ( n－2) (n－3) (1) ︱x︱the absolute value of x X2 raised to the second power X3 X cube; X cubed; the cube of X; X to the third power; the third power of X; X raised to the third power X-10 X to the minus tenth( tenth power) √x the square root of x 3√x the cube root of x X n the nth power of X, X to the power n, X raised to the nth power, X to the nth power 1/X n one over X to the n α 5/β2 α to the five over β squared X1/n(n√X) the nth root of X, X to the power one over n y=f(x) y is a function of x a+b a plus b; the sum of a and b; the total of a and b; a added to b; a increased to b; a increased by b; a more than b; a greater than b a－b a minus b; a less b the difference of a and b; from a subtract b; a takes away b; a decreased by b; a diminished by b; b is Pronunciation of Mathematical Expressions The pronunciations of the most common mathematical expressions are given in the list below. In general, the shortest versions are preferred (unless greater precision is necessary). 1、Logic 2、Sets 3、Real numbers x x plus one 1 + x x minus one 1 - ± x x plus or minus one 1 xy xy / x multiplied by y x+ y -x minus y, x plus y ) )( (y x y x x over y / x on y ＝ the equals sign 5=x x equals 5 / x is equal to 5 5≠x x (is) not equal to 5 y x ≡ x is equivalent to (or identical with) y x ≠y x is not equivalent to (or identical with) y y x > x is greater than y y x ≥ x is greater than or equal to y y x < x is less than y y x ≤ x is less than or equal to y 1 0<数学运算符 的英文表达
高等数学专业名词中英文对照(全面)
数学专有名词英文
各种数学符号英文翻译
美国高中数学的英语专有名词
数学符号的英语表达
GMAT常用数学符号与英文解释
英语中数学符号表达