\documentclass[12pt]{article}
\input{lesson_paper_config.tex}  % 导入配置文件
\newcommand\titleofdoc{武 汉 轻 工 大 学 研 究 生 课 程 论 文} % 文档标题
\newcommand\GroupName{} % 小组名
% 正文
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\begin{document}
\begin{sloppypar}  % 两端对齐命令
 \input{sections/cover.tex}  % 封面文件
 \input{sections/标题摘要.tex}  % 标题及摘要文件
 \vspace{0.5cm}  % 分隔 0.5cm
 
 \section{引言}  % 第一个section的标题(一般为引言,此处不分栏,因为根据 word 模板来看,这一行似乎是单独的,但是内容又是要分栏的,所以把第一个section的标题和内容分开了)
 	\begin{multicols*}{2}  % 正文开始分栏
 	
    \input{sections/sec1.tex}  % 第一个section的内容,接上面的标题
    
    \input{sections/sec2.tex}  % 第二个section(标题加内容)
    
    \input{sections/sec3.tex}  % 
    % ...后续section
    
    
    % 参考文献
   %  \bibliographystyle{plain}  % 参考文献的格式
   \vspace{0.5cm}
   	\nocite{*}
    \bibliography{sections/refs.bib}  % 参考文献bib文件
    \end{multicols*}
 
 
\end{sloppypar}
\end{document}
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