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\begin{document}
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\begin{center}
\fontsize{16}{18}\selectfont%
{\bfseries%
Your Paper's Title Starts Here: Please Center\\
Use Times 14\par
}
{
First Author, Second Author and Others (use Times 14)\\
}
\fontsize{14}{16}\selectfont%
Full address of first author, including country, email (use Times 12)\\
Full address of second author, including country, email\\
List all distinct address in the same way\par
\end{center}
\begin{center}
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Abstract\par
\end{center}
\fontsize{14}{16}\selectfont%
Abstract must not exceed one single spaced typed page. The width should be
within 6-1/2 in. (16.5 cm), and the total length should not exceed 9 in. (23
cm).  The abstract must be in English.  The abstract should briefly
summarize the contents of the paper including significant findings and
conclusions.  No illustrations are to be included in the abstract.  Abstracts
are to be submitted in .pdf format.
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\end{document}