$B%"%8%"!&BgMN=#p@*(J

Introduction
$BF|K\7PCDO"$G$O!"F|K\>&9)2q5D=j$H$H$b$K!"%"%8%"!&BgMN=#CO0h$N:_308x4[$+$i(J13$BL>$NBg;H!"8x;H!"AmNN;v$r>7$$$F:)CL2q$r3+:E$7$?!#EvF|$O30L3>J%"%8%"BgMN=#6I$NLyCf;0==Fs6ID9$h$j!"%"%8%"!&BgMN=#Bg;H2q5D$NLOMM$K$D$$$FOC$r$-$/$H$b$K!"p@*$J$I$K$D$$$F@bL@$r$-$$$?!#$J$*!"1|ED2qD9$,3+2q0';"!";38}F|>&2qF,$,JD2q0';"$r9T$C$?!#(J

I$B!%LyCf6ID9@bL@MW;](J

$B:#2s$N%"%8%"!&BgMN=#Bg;H2q5D$G$O!"e$2$k$+!"$^$?!"Fn%"%8%"$,?7$7$$H/E8$N;~Be$r7^$($kCf!"%$%s%I$H$N4X78$r$I$N$h$&$K9M$($F$$$/$+$J$I$N%F!<%^$rCf?4$K5DO@$7$?!#(J
$BF|K\$K$H$C$F4pHW$H$b$$$($k%"%;%"%s$H$N4X78$K$D$$$F$O!":rG/$NF|K\!&%"%;%"%sFCJL2q5D$N:]$K:NBr$7$?!VF|!&(JASEAN$BEl5~@k8@!W$r%Y!<%9$K?<$a$F$$$-$?$$$H9M$($F$$$k!#(JEPA$B!J7P:QO"7H6(Dj!K$K$D$$$F$b!"F|K\$,$$$+$K%$%K%7%"%F%#%V$r

II$B!%3F:_308x4[BeI=@bL@MW;](J

$B#1!%0$Fn(J $B0TLP!!CsCf9qBg;H(J

$B$3$l$^$G$NF|Cf4X78$O!"@/I\%l%Y%k!&Cf1{%l%Y%k$G$N8rN.$,Cf?4$G$"$j!";DG0$J$,$i!"COJ}%l%Y%k!"L14V%l%Y%k$G$N4X78$O$^$@$^$@:,IU$$$F$$$J$$$H$$$($k!#;d$O!"COJ}%l%Y%k$G$N8rN.$,Bg@Z$@$H9M$(!"Cf9q$NCOJ};XF3 $B8U6S^9Am=q5-$,N($$$k?7;XF3It$O!"7|L?$K9q2H1?1D$r9T$C$F$*$j!"$3$l$^$G$N$H$3$mFb30$G$NI>H=$OBgJQ$h$$!#$?$@$7!"JQ2=$,5^7c$9$.$k$3$H$+$i!"0lIt$N9qL1$,8=>u$KBP$9$kITK~!">-Mh$X$NIT0B$rJz$$$F$$$k$3$H$bH]Dj$G$-$J$$!#:#8e!"(J2020$BG/$^$G$K(JGDP$B!J9qFbAm@8;:!K$r(J2000$BG/$N#4G\A}$H$9$kL\I8$N$b$H$G!"9bEY7P:[email protected]$r0];}$9$k@/:v$r7QB3$9$k$b$N$H4|BT$5$l$F$*$j!"Cf9q$OF|K\7P:Q$K$H$C$F$^$9$^$9=EMW$JB8:_$K$J$C$F$$$/$@$m$&!#(J

$B#2!%9bLn(J $B5*85!!Cs4Z9qBg;H(J

$B#37n(J12$BF|$K!"FMA3!"b:IpnkBgE}NN$KBP$9$kCF3/7h5D0F$,2D7h$5$l$?!#M=A[$7F@$J$$;vBV$K6C$$$F$$$k!##47n(J15$BF|$NAmA*5s$K$*$$$F$O!"M?E^$N%&%jE^$,5D@J?t$rBg$-$/?-$P$90lJ}$G!"Bh#1E^$N%O%s%J%iE^$O6l@o$9$k$3$H$,M=A[$5$l$F$$$k!#$3$&$7$?F0$-$O!"Ls#1G/A0$Kb:IpnkBgE}NN$,="G$$7$F$+$i2CB.$7$F$$$kL1 $BBP304X78$K$D$$$F$O!"4Z9q$O=>Mh$K$bA}$7$F<+D$K$D$$$F$O!"$3$l$^$G#2EY9T$C$F$$$k$,!"4Z9q$N9qFb$K$*$1$k5DO@$,I,$:$7$b==J,$G$O$J$/!":#8e$NE83+$K$D$$$F$OM=CG$r5v$5$J$$>u67$G$"$k!#(J

$B#3!%;~LnC+(J $BFX!!Cs%?%$Bg;H(J

$B%?%/%7%s@/8"$O6/NO$G0BDj$7$F$$$k!#FC$K7P:QLL$,9%D4$G!"<+F0CHq$,?-$S$F$$$k!#@hHL$ND;%$%s%U%k%(%s%6$N>pJs1#JC5?OGEy$N$?$a!"@/8"$N@*$$$K$O $BF|K\$H$N(JFTA$B8r>D$K$D$$$F$O!"%?%$B&$O=>Mh!"$+$J$j@Q6KE*$G$"$C$?!#$7$+$7$J$,$i!":G6a$K$J$C$F!"$^$:(JFTA$B$K$D$$$F$h$/JY6/$7$h$&$H$$$&?5=E$JJ70O5$$,=P$F$-$F$$$k!#$^$?!"F|K\@/I\$,#3G/4V$G(J15$B2/%I%k$N;Y1g$rLsB+$7$?%a%3%sCO0h3+H/$K$D$$$F$O%?%$B&$bBg$-$J4X?4$r<($7$F$*$j!"F|K\$,$$$+$K%?%$$HO"7H$7$FF1CO0h$N3+H/$K9W8%$G$-$k$+!"Aa5^$JBP1~$,5a$a$i$l$F$$$k!#(JFTA$B!"%a%3%sCO0h3+H/$N$$$:$l$b!"%?%$$HF|K\$H$N%Q!<%H%J!

$B#4!%1]!!BYK.!!Cs%$%s%IBg;H(J

$B8=:_$N%$%s%I$O!"$$$o$P!"9bEY7P:[email protected]$NA0Lk$H$$$&L@$k$$J70O5$$K$"$k!#(JIT$B4XO"$N30;q$N?J=P$,L\3P$7$/!"(J1980$BG/Be!"(J1990$BG/Be$rDL$8$F!"G/J?6Q#[email protected]$rB3$1$F$*$j!"(JGDP$B$b!"%"%8%"$NCf$G$OF|K\!"Cf9q$K $B308rLL$G$O!"=>Mh$NBh;0@$3&$NM:$H$7$F$NN)>l$rC&5Q$7$F!"9q:]49$7$F$$$k!#FC$K!"JF9q$H$N4X786/2=$KEX$a$F$$$k$[$+!"Cf9q!"%m%7%"Ey$H$bNI9%$J4X78$r0];}$7$F$$$k!#$5$i$KEl%"%8%"$N9q!9$H$N4V$K$*$$$F$b!"6[L)$J4X78$rC[$-$D$D$"$k!#(J

$B#5!%1v?,(J $B9'FsO:!!CsJF9q8x;H(J

$BK\G/(J11$B7n$NBgE}NNA*5s$K$D$$$F$O!"6&OBE^!"L14|$N7P:Q;XI8!"FC$K8[MQAO=P?t$,CmL\$5$l$k$H$3$m$G$"$k!#$^$?!"$b$A$m$s%$%i%/$NF08~$b8+F($;$J$$!##67nKv$KM=Dj$5$l$F$$$k@/8"0\>y$,1_3j$K