运算符号 英语读音

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1、+plus+加号；正号-minus-减号；负号±plusorminus正负号×ismultipliedby乘号÷isdividedby除号＝isequalsto等于号≠isnotequalto不等于号≡isequivalentto全等于号≌isequaltoorapproximatelyequalto等于或约等于号≈isapprox.imatelyequalto约等于号ieVSVERSUS＜islessthan小于号＞ismorethan大于号≮isnotlessthan不小于号≯isnotmoret

2、han不大于号≤islessthanorequalto小于或等于号≥ismorethanorequalto大于或等于号%percent百分之…percentagevoltagecurrentrunning‰permille千分之…permillageoriginalnationalnatural∞infinityINfinITYeDEFINITION无限大号∝varieswithas与…成比例takemakegoin√(squarecubic)root平方根∵since;because因为∴hence

3、thustherefore所以∷equals,as(proportion)等于，成比例∠angle角⌒semi-circle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RUNNING°degree度′minute分〃second秒℃Celsiussystem摄氏度Fahrenheit

4、system，absolutetemperature{openbrace,opencurly左花括号}closebrace,closecurly右花括号(openparenthesisdissertation,openparen左圆括号)closeparenthesis,closeparen右圆括号()brackets/parentheses括号[openbracket左方括号]closebracket右方括号[]squarebrackets方括号.period,dot句号，点

5、verticalbar

6、,verticalvirgule竖线&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escalatorbackslash,sometimesescape反斜线转义符，有时表示转义符或续行符~tidle波浪符.fullstop句号,comma逗号:colon冒号;sem

7、icolon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～swungdash代字号§section;division分节号→arrow箭号；参见号-----------------------------

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9、-----------------------------------------------------------------------------------------Fullstop/period{.}　　Questionmark{?}^　　Exclamationmark{!})　　Ellipsis{...}　　Semicolon{;}　　Comma{,}　　Colon{:}*,　　Apostrophe{’}　　Quotationmarks{