a????ˉ????¥??????????è??é?????a??
?1??′??±?è????????é?μ?????????é??è??è????°??¨?2??¤?èo?è?1?????§???è?¨?¤o???a????a??ˉèˉ????è???·2??????é?£?1??°??°????a??
??????????§|??1?|¤??′??ˉ??????è????¥èˉ????a???ˉ1???????§??°??§????????°±??ˉèˉ?èˉ????????????????????°????a??
?2???3??°?§???????è????ˉ??????a??????1?èˉ′?o???ˉ?¥????????????????????1????????°????a??
?§|??1?|¤è??è?2è???????ˉè§?????????μ???
?1??′??±??-¤????????????????§??????????è§??¥1è???????????????1±?1???£????o????a???????¢????o???????è??é???|¤è?±?????¥???èˉ????èˉ?a?|a?|a??
èˉ?é?3??aè??????°±è¢??§???????????£°?????-???a???????¨èˉ??o?????°±?¥1èo????è???????§???a??
????-£??°?¨?????????ˉ?¥1???
??????????o±???????1??′??±??°±??|????§???????????o???????
?ˉ?é?????è?|???????§????????????¨??ˉé??é?????é??é?????????a??¤????
?????°????a??¤??¤§????¤§??????é?aè?±?????3??????è???o·?o·????????°é£??′??????¥???
?§?????????????????o????????£°?????????a?????é?a?o?a?|a?|a??
?1??′??±?é?o????¥1???è§??o???????????????·?????°?o??a??¤????é£?é?a????¥?è?2?????·????o???¨??1???
?μ·???????¤??1′?2???????è??é?a?o????
?§????????????-é?aè????????è????????
?¥1è?°????????????????1??′??±?è§?é?¢?§?????1???ˉè????·???é?a?¤????
é?£?§?????????¨é?a??°é?????????¤′?1?é?????é??????¤???????èo??oˉ????£?è¢??????????è?????????a???¨??μ????????′??a?oo???è?¥??μ??¥?????????
????????ˉ?°??°??????a?oo????????′?????a?°??¤§?oo???è????????è??è¨???????
???è???°±??ˉè????·?????aé????μ?ˉ??§?????oo?????′??¨???????§?è??????o??¥1????|??|?è??è??è?|è?|???èμ·??¥???é?a?oo???
??3????¥1???????°±?o¢?o?é???-??????·????¤§??-èμ·??¥???