数学符号和西文字母的英文发音.docVIP

数学符号和西文字母的中英文发音 ` 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 ampersand * asterisk,star(美语),数学公式中作multiply ( parenleft,opening parentheses ) parenright,closing paretheses - minus;hyphen连字符,不读 _ underscore + plus = equal [ bracketleft,opening bracket ] bracketright,closing bracket { braceleft } braceright ; semicolon : colon quote doublequote / slash / backslash 反斜杠 | bar , comma less greater . period ? question space 空格 ＜???? is less than ＞???? is more than ???? is not less than ≯???? is not more than ≤???? is less than or equal to 小于或等于号 -???? hyphen 连字符 ≥???? is more than or equal to 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 ‰???? per mille ∞???? infinity 无限大号 ???? varies as 与…成比例 ( )???? parentheses 圆括号 √???? (square) root 平方根 [ ]???? square brackets 方括号 ???? since; because 因为 《 》???? French quotes 法文引号;书名号 ???? hence 所以 …???? ellipsis 省略号 ???? equals, as (proportion) 等于，成比例 ¨???? tandem colon 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 ～???? swung dash 代字号 △???? triangle 三角形 §???? section; division 分节号 ???? perpendicular to 垂直于 →???? arrow 箭号；参见号 ???? union of 并，合集 ∩???? intersection of 交，通集 ∫???? the integral of …的积分 ±???? plus or minus 正负号 ∑???? summation of 总和 ×???? is multiplied by 乘号 °???? degree 度 ÷???? is divided by 除号 ′???? minute 分 ″???? second 秒 ≠???? is not equal to 不等于号 ≡???? is equivalent to 全等于号 ???? Celsius degree 摄氏度 ???? is equal to or approximately equal to 等于或约等于号 ? 一些符号的读法 + plus 加号；正号 - minus 减号；负号 ± plus or minus 正负号 × is multiplied by 乘号 ÷ is divided by 除号 ＝ is equal to 等于号 ≠ is not equal to 不等于号 ≡ is equivalent to 全等于号 is equal to or approximately equal to 等于或约等于号 ≈ is approximately equal to 约等于号 ＜ is less than 小于号 ＞ is more than 大于号 is not less than 不小于号 is not more than 不大于号 ≤ is less than or equal to