Underlining in LaTex

The package "ulem" provides a nice facility for employing various types of underlines, both in the text and in mathematical formulas.

Some commonly applied commands:

• \uline{a single underline}：单下划线
• \uuline{a double underline}：双下划线
• \uwave{a single under wavy line}：单波浪线
• \sout{a single deleting line}：单删除线
• \xout{a complex deleting block}：删除区域
• \dashuline{a single under dotted line}：单下滑虚线
• \dotuline{a single series of under dots}：单下滑点

Reference:

http://texdoc.net/texmf-dist/doc/generic/ulem/ulem.pdf

http://yuxu9710108.blog.163.com/blog/static/237515342008511103832606/