?-??o|????¤o???
1?????￠è????¨é?????????¤?????????????????§???????????????¨?o?????|?????????§????¤o???????????3?????ˉ??????????1????????????????????o??????ˉ????3???????????????????????????′???????????¨?o???????é??èˉ?????????????è§￡?????????????????¨????????????è?????è????oè§???o??¨é??è??é??èˉ??1??????¨????????????è???????????
2???????3?è§????è§?????????±?1???1?????o????±?èμ??o§??o????oo??????????±?é?′?????￡?????????????????¨???????§°a????2??1a???????¨?13?-????è?a????????o??????è??????????￥??1??±???é?μ??????
????????1?????￥???????§°?1???1??????
???é????????????¤?????????°?o§????oa???é????????
????????????? ????±???o????????μ
??2??1???????§?????1???1??o????????￥???????3??¤??????????????¤?????±?????1???o??????????????3????±?é?′??????????1???1????????￥??????è?°?§?????????o??2??1???????????3??????????§???????é??è?a??????è?????????1???￥èμ·è?3?????o??o?-￠???
????o???????? ?1???1??????????????3??????
1?????￡?????2??1????????¨??￠??·?′?????o¤?????????é￠??????¨??￠??·????????????????1°????????1???????o¤??????
2????|￥???????????2??1?????????????±?é?￥??????????§?èˉ???????èμ????????1???o??2??1?????????é?1?????ˉ??o?ˉ????
????????????? ??2??1?????????????1????
1?????2??1???èˉ??????1????1???1???è|??±????????????′?????????????????3??????????1????èˉ?????ˉ1èˉ￥????±?????????¨????¤?????????????èˉ￥????±??o§????????°???????o??o·???
2?????2??1?o??§ˉ???é??????1???1??|é￠??????¨??￠??·??￥???èˉ￥????±??????￥?????￥???èˉ￥????±??1???¨???
