$B9bED$G$9(B <200005250924.SAA38090@ml.asahi-net.or.jp>$B$N5-;v$K$*$$$F(B $B;d$O=q$-$^$7$?!#(B >> $B9bED$G$9(B >> $B#69f@~1h$$$K$"$k%"%S%3302J$H$$$&$H$3$m$KEZMKF|9T$C$F$^$9!#(B >> >> >> $B!!CfB4(B Akira Takada takada@ipe.tsukuba.ac.jp* *$BC^GHBg3XNW>20e3X7O(B $BC^GHBg3XImB0IB1!0eNE>pJsIt(B* **************************************************