?è??è??é?¨???????????????????ˉ????????¤?????o??o????
è???????ˉ??o?1??2?????¨????é￠???????
??????????????o????°????????????????è??è??é?¨????????￡???è￠?????????????????°±??¨?2?????¨???￥??oè????????????????????????????′?a?????????￡?o????
é???o|?1????????????????é?¨?????°??§????1??°±??ˉ??????è??????o???????
?2?????¨??????¨èμ?é????????é￡???o????????????è???§???o??￡?????????
a????????é?¨é?￡è?1??ˉ?o???§???????????????????°?é????￠è?????é????o???a??
a????±????????§????o?????￥1?????§?-￡?￥???°????o?é????????è???????ˉ???????o?è|???￠?μ?é????????a??
a????????????°???¨?¨±?1?????????1?¤??1′???è?a?·±????????°??￡???è??é?????????????￡???????????′??o?oo?¤a??????a??
?????μè§???§???è§?????°±é?￡?1??¤??????-?o|?????ˉ???????°±??ˉ?????????èˉ′???é???????1???è????a???é?′??????????2?????¨?????1???aè???????????é?¨?????·é￥-???
???è??è?￥é?????è???????????é?¨é?￡è?1é￡?èˉ????????????§é??è????o?o??????a?????oé?￠?????￠??￠?????-?o|?????¨?o????é?????
?è??è??é?¨???????????§????1???ˉ??????é??é???o????
?2?????¨?????????????è?2????o???????
è????ˉ?????°???a??è???§????????????a?????????a??
???è§?è??èˉ????è???§?è??è?2????￥?????????????
a???2???3?3?????¨???????è????a?oa?o|???é|???1????￥????è?a????????￡?o?a??????μ·a???????￡è¨????????????·???è1-è1-????????¨???a??
a??è?????è?????è??????o?è??????o?é???o|???????????????????o|??ˉ????o????????o????a??
?????a????????????????o|??????????????ˉ???èo??1???????
?1????????2?????¨??????????è￠?è?¤??ˉ?????ˉ?oo?°??1??§??????a???é????¨??§?2????é￠?????2???-???
?????°??¨????????μ???é?′????§??o?????????o????2?????¨?????oo?°???¨?°??1????é????￥????a???????????????′??￥è??è???o????é￠????
a??????o￠?1????é??è|?è￠???¨???é?????è??????????????????????????é?????a??
è???§?èˉ′??????èμ?è??????o?????2?????¨????è?????
?2?????¨??????o????o???????a??????????a?????????a??
è???§?è????￥??o?1????????o???ˉ?￥1???è?a?·±???è?￥é??????????a????2?????¨?è?a?·±??￥é?????é?￡??μ???é?′????￥1????¤?é????±???
??′????￥???????????2?????¨?è???¤′??????????a??¤????