键盘上的符号用英语怎么读？`backquote反引号~tilde!exclam@at#numbersign,英语国家是hash，美语是pound,音乐里作sharp,如C#$dollar%percent^caret&ersand*asterisk,star(美语),数学公式中作multiply(parenleft,openingparentheses)parenright,closingparetheses-minus;hyphen连字符,不读_underscore+plus=equal[bracketleft,openingbracket]bracketright,closingbracket{braceleft}braceright;semicolon:colon'quote"doublequote/slash\backslash反斜杠|bar,commagreater.period?questionspace空格其他符号的读法＜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
