\BOOKMARK [1][-]{section.1}{Introduction}{}% 1
\BOOKMARK [1][-]{section.2}{Preliminaries}{}% 2
\BOOKMARK [1][-]{section.3}{Result}{}% 3
\BOOKMARK [1][-]{section.4}{Remark}{}% 4
\BOOKMARK [1][-]{section.5}{Acknowledgment}{}% 5