主要数学符号的英文读法.doc

主要数学符号的英文读法
＜islessthan＞ismorethan≮isnotlessthan≯isnotmorethan≤islessthanorequalto小于或等于号-hyphen连字符≥ismorethanorequalto大于或等于号'apostrophe省略号,英文中省略字符用的撇号;所有格符号％percent－dash破折号‰permille∞infinity无限大号∝variesas与…成比例()parentheses圆括号√(square)root平方根[]squarebrackets方括号∵since;because因为《》Frenchquotes法文引号;书名号∴hence所以…ellipsis省略号∷equals,as(proportion)等于，成比例¨tandemcolon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～swungdash代字号△triangle三角形§section;division分节号⊥perpendicularto垂直于→arrow箭号；参见号∪unionof并，合集∩intersectionof交，通集∫theintegralof…的积分±plusorminus正负号∑summationof总和×ismultipliedby乘号°degree度÷isdividedby除号′minute分″second秒≠isnotequalto不等于号≡isequivalentto全等于号℃Celsiusdegree摄氏度≌isequaltoorapproximatelyequalto等于或约等于号
+plus加号；正号-minus减号；负号±plusorminus正负号×ismultipliedby乘号÷isdividedby除号＝isequalto等于号≠isnotequalto不等于号≡isequivalentto全等于号≌isequaltoorapproximatelyequalto等于或约等于号≈isapproximatelyequalto约等于号＜islessthan小于号＞ismorethan大于号≮isnotlessthan不小于号≯isnotmorethan不大于号≤islessthanorequalto小于或等于号≥ismorethanorequalto大于或等于号%percent百分之…‰permill千分之…∞infinity无限大号∝variesas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⊥perpendicularto垂直于∪unionof并，合集∩intersectionof交，通集∫theintegralof…的积分∑(sigma)summationof总和°degree度′minute分〃second秒℃Celsiussystem摄氏度
{openbrace,opencurly左花括号}closebrace,closecurly右花括号(openparenthesis,openparen左圆括号)closeparenthesis,closeparen右圆括号()brakets/parentheses括号[openbracket左方括号]closebracket右方括号[]squarebrackets方括号.period,dot句号，点|verticalbar,verticalvirgule竖线&ampersand,and,reference,ref和，引用/slash,divide,oblique斜线，斜杠，除号//slash-slash,comment双斜线，注释符#pound井号\backslash,sometimesescape反斜线转义符，有时表示转义符或续行符~tilde波浪符.fullstop句号,comma逗号:colon冒号;semicolon分号?questionmark问号!exclamationmark(英式英语)exclamationpoint(美式英语)'apostrophe撇号-hyphen连字号--dash破折号...dots/ellipsis省略号"singlequotationmarks单引号""doublequotationmarks双引号‖parallel双线号&ampersand=and～swungdash代字号§section;division分节号→arrow箭号；参见号_