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1、各种符号在英语中如何表达+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isgreaterthan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%
2、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pi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,opencu
3、rly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&ersand,and,reference,ref和,引用*asterisk,multiply,star,pointer星号,乘号,星,指针/slash,divide,obl
4、ique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感叹号(英式英语)exclamationpoint感叹号(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&ersandand的英语符号swungdash代字号section;division分节号arrow箭号;参见号