各种数学符号的英文读法.doc

x 读作 x primex 读作 x double prime or x second primex 读作 x triple prime点：dot/: slash.: backslashPunctuation marksapostrophe ( ) ( )brackets ( ( ) ) ( ) ( ) ( )colon ( : )comma ( , )dashes ( ) ( ) ( ) ( )ellipsis ( ) ( . )exclamation mark ( ! )full stop/period ( . )hyphen ( - ) ( )interrobang ( )question mark ( ? ) quotation marks ( ) ( “ ” )semicolon ( ; )slash/solidus ( / )space ( ) and interpunct ( )Other typographers marksampersand ( & )asterisk ( * ) and asterism ( )at ( )backslash ( )bullet ( , more )dagger ( )degrees ( )number sign ( # )prime ( )tilde ( )underscore ( _ )vertical bar/pipe ( | )+ 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&ersand, 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&ersand = andswung dash 代字号section; division 分节号arrow 箭号；参见号符号的英文读法 period 句号 is approximately equal to 约等于号， comma 逗号 is less than 小于号： colon 冒号 is more than 大于号； semicolon 分号 is not less than 不小于号！ exclamation 惊叹号 is not more than 不大于号？ question mark 问号 is less than or equal to 小于或等于号 hyphen 连字符 is more than or equal to 大于或等于号 apostrophe 省略号；所有格符号 per cent 百分之- dash 破折号 per mill 千分之 single quotation marks 单引号 infinity 无限大号double quotation marks 双引号 varies as 与成比例( ) parentheses 圆括号 (square) root 平方根 square brackets 方括号 since; because 因为 French quotes 法文引号;书名号 hence 所以. ellipsis 省略号 equals, as (proportion) 等于，成比例 tandem colon 双点号 angle 角ditto 双点号 semicircle 半圆 parallel 双线号 circle 圆 virgule 斜线号 circumference 圆周 ampersand = and pi 圆周率 swung dash 代字号 triangle 三角形 section; division 分节号 perpendicular to 垂直于 arrow 箭号；参见号 union of 并，合集 plus 加号；正号 intersection of 交，通集 minus 减号；负号 the integral of 的积分 plus or minus 正负号( sigma) summation of 总和 is multiplied by 乘号 degree 度 is divided by 除号 minute 分 is equal to 等于号 second 秒 is not equal to 不等于号 number 号 is equivalent to 全等于号 Celsius system 摄氏度 is equal to or approximately equal to 等于或约等于号 at 单价R R primeR” R double prime, R second primeR1 R sub one100 C one hundred degrees Centigrade+ plus; positive- minus; negative´ multiplied by; times¸ divided by plus or minus= is equal to; equalsº is identically equal to» is approximately equal to( ) round brackets; parentheses square brackets bracesab a is much greater than ba³ b a is greater than or equal to baµ b a varies directly as blognX logX to the base nthe cubic root of xthe nth root of xx2 x square, x squared, the square of xXn X to n factors; the nth power of x; x to the power nx -8 x to the minus eighth powerï xï the absolute value of xthe mean value of Xthe sum of the terms indicated; summation ofD x or d x the increment of xdx differential xdy/dx the first derivative of y with respect to x integral¥ infinity1/2 a half; one half2/3 two thirds5/123 five over a hundred and twenty-threeeight and three over fourths; eight and three quarters0.01 O point O one; zero point zero one; nought point nought one6 % 6 percent3 3 per mille2 : 3 the ratio of two to threer=xd r equals x multiplied by d5´ 2=10 five times two equals tenx3/8=y2 x raised to the third power divided by eight equals y squared(a+b-c´ d)/e=f a plus b minus c multiplied by d, all divided by e equal