; TeX output 2007.01.31:1608 /ލs"q덠 goth10BP>N72$N%V%k%(M=A[ K`y cmr10AKIHIKOUUHIDA( min10HtEDL@I')?d) XQ cmr121. ºq,- cmcsc10Introduction min10M-8B72$NI=8=O@$K$*$$$F,A8=:_=EMW$JLdBj$H$5$l$F$$$k$b$N$K724D$NibloScrk轁$N4V$Nderivred equivXalencea>$K94X$9$kBrourseM=A[$H8F$P$l$k$b$N$,$"$j$^$9.BP>N72$N>l9g$O[3],~[4]$K$hI$C$F$3$NM=A[$O>ZL@$5$l$F$$$^$9. BP>N72$N>l9g,W[2]$Gwreight$,2$NbloScrk$K$D$$$FsBrouseM=A[$,>ZL@$5$l$F$$$^$9$,,$=$3$G$O(i)wreight$,2$NbloSck$OA4$FderivedequivXalnet(ii)defectgroup$,!2D49$J>l9g($D$^$j2pP/g cmmi12