标点符号英语表达

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1、标点符号英语表达+　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＞　is greaterthan　大于号≮　isnotlessthan　不小于号≯　isnotmorethan　不大于号≤　

2、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π　pi圆周率△　triangle　三角形⊥　perpendicularto　垂直于∪　uni

3、onof　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]　close

4、bracket右方括号[]squarebrackets　方括号.　period,dot　句号，点

5、　verticalbar,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　backslash,sometimesescape　反斜线转义符，有时表示转义符或续行符~　tilde　波浪符.　ful

6、lstop　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