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%% 标题和作者等基本信息
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\newcommand{\themaintitle}{这是一个很好用的LaTex模板} %标题
\newcommand{\thesubtitle}{这里是副标题} %副标题
\newcommand{\theauthor}{作者名字}%作者名字
\newcommand{\thedate}{\today}%时间
\newcommand{\theaffiliation}{中国海洋大学}%工作单位
\newcommand{\thedept}{计算机科学与技术学院}%部门