文本中使用的字体或符号

Question

平均能量损失

\documentclass[a4paper,11pt]{article}
\usepackage{amssymb}
\usepackage{textcomp}

\begin{document}

$\therefore$ Therefore % Used often in math text

$\because$ Because % Used often in math text

\textreferencemark\ Reference/Note % Used often in footnote

\textdagger\ or $\ddagger$ Footer  % Used often in footnote

\end{document}

您还使用了其他示例吗？