\begin{abstract}
本文是中国科学院学位论文的~\LaTeX{}~模板。除了介绍~\LaTeX{}~文档类
~\texttt{CASthesis}~的用法外，本文还是一个简要的学位论文写作指南。

\keywords{中科院，学位论文，\LaTeX{}~模板}
\end{abstract}


\begin{englishabstract}
This paper is a thesis template of Chinese Academy of Sciences. Besides that
the usage of the \LaTeX{} document class \texttt{CASthesis}, a brief
guideline for writing the thesis is also included.

\englishkeywords{Chinese Academy of Sciences (CAS), Thesis, \LaTeX{}
Template}
\end{englishabstract}