答案1
我想你总是可以通过视觉来格式化某些东西。
\documentclass[3p]{elsarticle}
\begin{document}
\noindent
\begin{minipage}{0.78\textwidth}
\begin{flushleft}
\Large
Unified solution for the Legendre equation in the interval $[-1,1]$---An
example of solving singular-ordinary differential equations\\[2ex]
\large
Quing-Hua Zhang\textsuperscript{a}, Jian Ma\textsuperscript{b,\textasteriskcentered},
Yuanyuan Qu\textsuperscript{a}\\[1ex]
\footnotesize
\textsuperscript{a}\emph{The First Institute of Oceanography, \dots}\\
\textsuperscript{b}\emph{College of Marine Sciences, \dots}
\end{flushleft}
\end{minipage}
\end{document}