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ܳΪѰйķֲ˵ĺйȨ
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ԵĺȴΨ⡣ҺйȨ⣬û˸ˡйʵ
Ѿ˷ֲˡ

ŦԼı緢ֻȨȫͬķӦ죬й֮һ
ֲַ֧˵ϣй֧Ȼϸڵ¹ʩȴ
йԴֲʲͳҪ躻޵ö࣬Ҳ̸Ϊйֲַ֧
ͬøйһЩС족ôЩС족أйҪЩʲôأ
ʲôŻҪЮֲأ

ǻȿֺʵɡ

ÿйƽ500ŮɱҲ˻˵й˶йռ
˿ڵ֮һȴռȫɱ42%ռȫ績Ůɱ5
6%
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50Ĺͳ¾ʲôĿֲʹʵڣҿ
彵ٵʱ㲢ûѡءо¼йͳ£
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һǧڡ򷴡б1960꣬4ǧ86ǧʷΪ
󼢻лĻڣʡʮ򡰷ӡţ
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ⲻǿֲ壬Ҳ֪ʲôǿֲ塣ʵϣϹίεоֲ
رίԱⷩŮʿϹȨίԱָҿֲµıУ
οֲıеܺͻöࡣ

˻ʣΪ˲б˵ȹҿֲΪÿᵽйԷֹѪ
ѹʱƵ⡣ǣΪвǷ֪

Կֲѹ䲻ִķȻϵͳʹʹǡظ
ΥԼ֮ȴǹרͳεı־йʮ걩ר˶дݻٵ
֮¡йȨÿνȺʱ95%ǺõģֻӲ
ӡҪпһ棺Ϊ˹95%İȫ
5%˵侮ʯѡɱǣ5%˼һ
ȫͶѹ֡95%ǡǡǹҿֲҪﵽЧʹ
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ԵµķԽԽ˶Ե·

ҲΪʲôй߱ȻҪѹֹԭ򡪡ıġֹѧ
ԱԼȻֹѧԱѭ̡ƣһ
ˣһ¸еˣͱȻµµĻ˵֪Ͳǡǡ
ּڴݻٵ֪йҿֲµġ

йԷֹѪȵѹǧǧֹѧԱܲҾ徵Ŀ̣10
00ֹѧԱĥγյǷֹѧԱʼպƽļ
֡⼯һҿֲ֮Ŀ

ɴ˿֪йԷֲ˽ҪЮΪ档ĿǰйĶȨַ
ּڴݻٵ֪Ĺҿֲ壬йҪľǹܽйȨ
֮Ժ󡣶ǵξǽһʵڣʹйЭΪ
һʽĿֲйĹҿֲӶ
