\input{prepictex}
\input{pictex}
\input{postpictex}

\[ \beginpicture
  \setcoordinatesystem units <1mm,1mm>
  \put{\frame <3pt> {�ᥤ��롼��}} [cb] at 0 80 
  \put{\frame <3pt> {\stack <2pt> {{\tt PHYSCS},ʪ������(1)}}} [ct] at -75 0 
  \put{\frame <3pt> {\stack <2pt> {{\tt DYNMCS},\ \ �ϳز���\ \ }}} [ct] at -25 0 
  \put{\frame <3pt> {\stack <2pt> {{\tt PADJST},ʪ������(2)}}} [ct] at 25 0 
  \put{\frame <3pt> {\stack <2pt> {{\tt TFILT},���֥ե��륿}}} [ct] at 75 0 
  \setlinear \plot -75 0 0 80 /
             \plot -25 0 0 80 /
             \plot  25 0 0 80 /
             \plot  75 0 0 80 /
  \ellipticalarc axes ratio 3:1 -230 degrees from 10 76 center at 0 73
  \arrow <3.5mm> [0.25,0.6] from 10 76 to 9 76.5

  \arrow <3.5mm> [0.3,0.6] from -52 30 to -59.5 22
  \put{$\bigcirc$} [cb] at -51 29.8
  \put{{\tt GB}$^{t-\Delta t}$} [cb] at -43 38

  \arrow <3.5mm> [0.3,0.6] from -49.5 22 to -42 30
  \put{$\bigcirc$} [ct] at -50.5 22.2
  \put{{\tt GT}$^{t-\Delta t}$} [cb] at -31 38.5
  \put{{\tt GT}$^{t+\Delta t}_\ast$} [cb] at -36 32

  \arrow <3.5mm> [0.3,0.6] from -25 10 to -27.2 3
  \put{$\bullet$} [cb] at -24.7 10
  \put{���ﹹ��} [cb] at -27 13

  \arrow <3.5mm> [0.3,0.6] from -20.2 26 to -23 19
  \put{$\bigcirc$} [cb] at -19.7 25.9
  \put{{\tt GB}$^{t-\Delta t}$} [cb] at -20 32
  \put{{\tt GA}$^{t}$} [cb] at -17 37.5
  \put{{\tt GT}$^{t-\Delta t}$} [cb] at -17 42
  \put{{\tt GT}$^{t+\Delta t}_\ast$} [cb] at -15 47

  \arrow <3.5mm> [0.3,0.6] from -18 10 to -16 16
  \put{$\bigcirc$} [ct] at -18.2 9.8
  \put{{\tt GB}$^{t}$} [cb] at -14 19
  \put{{\tt GA}$^{t+\Delta t}$} [ct] at -10 27

  \endpicture
\]
