????ˉ1??????è§???????????ˉ1??????è???-?????????????
???????§????é?μ??±?o-??????è§?????°±??·è???????????????????????????????????????°?????¥?è????2??????
??′??°??????é?μ??§????????±????°???????è?|?¥????????μ·é???????o?????????é???????????????¤±????-??o??o?è·?????????±?????????
?????????é?μ??±?o-?ˉ1????????§?·??????????????????¨è????¨?ˉ1????¥????
???????????????????ˉ????é??????o2?????????????o¢?3??°′???
????????ˉ???é?¢???è?·???é????¥??????é?μ??±?o-??′???èˉ′???è??èˉˉ?o????????·¥????????ˉ???????????????????o??????′??′??¤?¤????
???é????£?????¥a?????èˉ′?μ·???????3???1??o?¥???????a????????????μ·?????o?·??????¥?°±????????|?o??????°é??è1??3????èˉ′?-£?¥?è·ˉè???°±?1°?o??????ˉé?£????o??ˉ??¤?é??è|?????????¨????§?????¥??1????é?????
?|??-¤?§??§????è????????èˉ???°?o?é?μ??±?o-?????£????????′???
?1??????????????o????é?£?????-?????±???
??????�??????????????????
????¤??¥????é¤??????????????o?????¢?????????§??????é?????
???????????1?o?????????????
?13???è????a??1??????????°±?????¥?o????
??????é?μ??±?o-????????μèˉ????a????±?o-??????????¤?????1?????????°??????a??
é?£?¤′???é?μ??±?o-?2?é???o???????é??????????£???a??é¢?é?|?????±?-?????????′???????o????????????¥???é¥-??????????????§???a??
???????2??£???§??????é?3??′???é??é?¤?????¨????????£???