beamer使用之ppt中插入四张图像，及中文

原来用latex做ppt也可以这么酷~~~

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% 作者：lzy
% 邮箱：lizhenyang_2008@163.com
% 参考：http://tex.stackexchange.com/questions/228629/how-to-put-3-figures-in-one-slide-in-beamer
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\documentclass{beamer}
\usepackage{ctex} % 使用中文需要添加的包
\begin{document}
\begin{frame}
\frametitle{Marker}
\begin{columns}
\column{0.5\textwidth}
\begin{minipage}[c][0.4\textheight][c]{\linewidth}
\centering
\includegraphics[width=0.8\linewidth]{../marker-hand.png}
\end{minipage}

\begin{minipage}[c][0.4\textheight][c]{\linewidth}
\centering
\includegraphics[width=0.8\linewidth]{../marker-keyboard.png}
\end{minipage}

\column{0.5\textwidth} % remember add this to the other clumn
\begin{minipage}[c][0.4\textheight][c]{\linewidth}
\begin{itemize}
\item 原理：blabla。
\item 优点：blabla。
\item 缺点：blabla。
\end{itemize}
\end{minipage}

\begin{minipage}[c][0.4\textheight][c]{\linewidth}
\centering
\includegraphics[width=0.8\linewidth]{../marker-camera.png}
\end{minipage}
\end{columns}
\end{frame}
\end{document}

效果图：



ps：关于在latex中使用中文，个人感觉
\usepackage{ctex}

要比

\usepackage{CJK}

好用。