1. Frequently used
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. full stop 句号
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, comma 逗号
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: colon 冒号
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; semicolon 分号
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? question mark 问号
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! exclamation mark (英式英语) exclamation point (美式英语)
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' apostrophe 撇号
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- hyphen 连字号
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-- dash 破折号
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... dots/ ellipsis 省略号
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{ open brace, open curly 左花括号
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} close brace, close curly 右花括号
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( open parenthesis, open paren 左圆括号
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) close parenthesis, close paren 右圆括号
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() brakets/ parentheses 括号
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[ open bracket 左方括号
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] close bracket 右方括号
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[] square brackets 方括号
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. period, dot 句号,点
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| vertical bar, vertical virgule 竖线
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& ampersand, and, reference, ref 和,引用
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* asterisk, multiply, star, pointer 星号,乘号,星,指针
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/ slash, divide, oblique 斜线,斜杠,除号
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\ backslash 反斜杠
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// slash-slash, comment 双斜线,注释符
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# pound 井号
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escape 反斜线转义符,有时表示转义符或续行符
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~ tilde 波浪符
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" single quotation marks 单引号
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"" double quotation marks 双引号
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‖ parallel 双线号
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& ampersand = and
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~ swung dash 代字号
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§ section; division 分节号
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→ arrow 箭号;参见号
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+ plus 加号;正号
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- minus 减号;负号
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± plus or minus 正负号
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× is multiplied by 乘号
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÷ is divided by 除号
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= is equal to 等于号
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≠ is not equal to 不等于号
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≡ is equivalent to 全等于号
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≌ is equal to or approximately equal to 等于或约等于号
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≈ is approximately equal to 约等于号
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< is less than 小于号
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> is more than 大于号
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≮ is not less than 不小于号
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≯ is not more than 不大于号
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≤ is less than or equal to 小于或等于号
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≥ is more than or equal to 大于或等于号
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% per cent 百分之...
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‰ per mill 千分之...
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2. Less Frequently used
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√ (square) root 平方根
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° degree 度
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′ minute 分
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″ second 秒
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℃ Celsius system 摄氏度
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∵ since; because 因为
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∴ hence 所以
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∷ equals, as (proportion) 等于,成比例
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∠ angle 角
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⌒ semicircle 半圆
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⊙ circle 圆
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○ circumference 圆周
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π pi 圆周率
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△ triangle 三角形
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⊥ perpendicular to 垂直于
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∪ union of 并,合集
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∩ intersection of 交,通集
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∫ the integral of ...的积分
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∑ (sigma) summation of 总和
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∞ infinity 无限大号
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∝ varies as 与...成比例
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