英文标点符号及部分数学符号
邻近年假，人也不在状态，在办公室看《JavaScript高级程序设计第3版本》，看到部分标点符号不知道用英文怎么翻译和阅读，所以Google了一把，参考了标点符号的英语名称[1]和英文标点符号翻译大全[2]，一并加上英语读音，方便以后的使用过程中查找与参考。
| 符号 | 英文 | 读音 | 含义 | 备注 |
|---|---|---|---|---|
| + | plus | [plʌs] | 加号；正号 | 备注 |
| - | minus | ['maɪnəs] | 减号；负号 | |
| ± | plus or minus | 正负号 | ||
| × | is multiplied by | 乘号 | time sign, multiple sign | |
| ÷ | is divided by | [dɪ'vaɪd] | 除号 | sign of division |
| = | is equal to | ['ikwəl] | 相等 | equal sign, equal mark |
| ≠ | is not equal to | 不等于 | inequality sign, sign of inequality | |
| < | is less than | 小于 | less-than sign | |
| > | is more than | 大于 | is greater than, greater-than sign | |
| ≤ | is less than or eaqual to | 小于等于 | less-than-equal | |
| ≥ | is more than or equal to | 大于等于 | greater-than-equal | |
| % | percent | 百分号 | percent sign | |
| ‰ | permill | 千分号 | ||
| ≡ | is equivalent to | [ɪ'kwɪvələnt] | 全等于 | |
| ≌ | is equal to or approximately equal to | [ə'prɑksɪmətli] | 等于或约等于 | |
| ≈ | is approximately equal to | 约等于 | is nearly equal to | |
| ≮ | is not less than | 不小于 | ||
| ≯ | is not more than | 不大于 | ||
| ∞ | infinity | [ɪn'fɪnəti] | 无限大号 | |
| ∝ | varies as | [´vεrrɪ] | 与...成比例 | |
| √ | square root | [skwɛr] | 平方根 | |
| ′ | minute, apostrophe | [ə'pɑstrəfi] | 分、撇号 | |
| ″ | second | 秒 | ||
| ℃ | celsius system | ['sɛlsɪəs] | 摄氏度 | centigrade |
| { | open brace, open curly | 左大括号；左花括号 | ||
| } | close brace, close curly | 右大括号；右花括号 | ||
| {} | braces | |||
| ( | open parenthesis, open paren | [pə'rɛnθəsɪs] ['pæren] | 左圆括号、括弧 | |
| ) | close parenthesis, close paren | 右圆括号、括弧 | ||
| () | brackets, parentheses | 括号 | round brackets | |
| [ | open bracket | 左方括号 | ||
| ] | close bracket | 右方括号 | ||
| [] | square brackets | 方括号 | ||
| <> | angle brackets | 尖括号 | ||
| . | period, dot, full stop | ['pɪrɪəd] | 句号、句点 | |
| , | comma | ['kɑmə] | 逗号 | |
| : | colon | ['kolən] | 冒号 | |
| ; | semicolon | ['sɛmɪkolən] | 分号 | |
| ? | question mark | ['kwɛstʃən] | 问号 | |
| ! | exclamation | [,ɛksklə'meʃən] | 感叹号 | |
| - | hyphen | ['haɪfn] | 连字号 | |
| -- | dash | [dæʃ] | 破折号 | |
| ... | dots,ellipsis | [ɪ'lɪpsɪs] | 省略号 | |
| ‘’ | single quotes | [kwot] | 单引号 | single quotation marks |
| “” | double quotes | 双引号 | double quotation marks | |
| | | vertical bar, vertical virgule | ['vɝgjʊl] | 竖线 | |
| & | ampersand, and | ['æmpəsænd] | 和，引用 | reference, ref |
| * | asterisk, multiply | ['æstərɪsk] | 星号、乘号、星、指针 | star, pointer |
| / | slash, oblique | [slæʃ] [ə'blik] | 斜线、斜杠、除号 | divide |
| // | slash-slash, comment | 双斜线、注释 | ||
| # | pound | [paʊnd] | 井号 | |
| \ | backslash, escape | [ɪˈskep] | 反斜线、转义符 | escape character |
| ~ | tilde | ['tɪldə] | 波浪号 | |
| ‖ | parallel | ['pærəlɛl] | 双线号 | |
| ∑ | (sigma) summation of | 总和 | ||
| ° | degree | 度 | ||
| ∫ | the integral of | ['ɪntɪɡrəl] | …的积分 | |
| ∪ | union of | 并、合集 | ||
| ∩ | intersection of | |||
| △ | triangle | 三角形 | ||
| _ | underscore | [,ʌndɚ'skɔr] | 下划线 | underline |
| 《 》 | french quotes | 法文引号、书名号 |
参考文献：
[1] 标点符号的英语名称, http://www.ruanyifeng.com/blog/2007/07/english_punctuation.html
[2] 英文标点符号翻译大全, http://en.eol.cn/yi_yu_culture_4776/20060227/t20060227_163728.shtml
[3] 有道词典,http://dict.youdao.com/
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