\begin{overpic}[width=0.49\textwidth]{ys_ok10vma_h_32_sei}
\put(1,74){\colorbox{white}{(\sublabel{ys_ok10vma_h_32_sei}) \href{http://dream.misasa.okayama-u.ac.jp/?q=20190306105812-601617}{ys_ok10vma_h_32_sei}}}
%%(\subref{ys_ok10vma_h_32_sei}) \href{ys_ok10vma_h_32_sei}
\color{red}
\put(49.6,41.5){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190306112722-191345}{spot of ys_kam_ok10vma_h@32}} % 20190306112722-191345 % \vs(-2591.6, 1701.4)
%%scale 10 micro meter
\put(1,1){\line(1,0){7.0}}
\end{overpic}