大家好，小牌来为大家解答以上的问题。下划线符号，关于下划线符号的介绍很多人还不知道，现在让我们一起来看看吧！

1、英语符号，是指用于英文的标点符号。

2、“－”叫破折号（中文的长)，属于中文使用的，英文中叫“dash”“-”,叫连接号(英文短的)，属于英文专用的，叫“hyphen”“_”是下划线，英文就是:underline+ 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\\u003c is less than 小于号\\u003e 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 小于或等于号≥ is more than or equal to 大于或等于号% per cent 百分之...‰ per mill 千分之...∞ infinity 无限大号∝ varies as 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。

本文到此结束，希望对大家有所帮助。