??ˉ??°??¨è??èˉ???????????¤?????????¥????-????è?§??′???èo2?o????
??ˉ???è§?è°????è??????|??????¥è????????
????°??????????è????????
????μ??±?è?????é?????????o§????¥¢?????-é?1???
?????¨é?¨??£???è??????|??°±?????°??¢???é???????o?????¢?£°???èˉ-???
?¥1èμ°???????????¤??o???????????£???
a?????????|????????????¥?o????a??
???????¤????é?????è???ˉ????a???|?????????¥????1????a??
????1?è??è??????°???′???é?′??·??????
è?????è??è?2??·?2????a?????è????¥é???????¥???????1??????§??-??????é?£??o???????ooé??é??????oo??????????o????a??
è???ˉ??1????è???¤±???é?????a???|??|??????????????¤a???????o??o????a??
è??????|?????o??????′????¥???????é????3解é???????′????????¥????1?èˉ′è??è?a?·±é??è§????è??èˉ?????o????
?¥1????????????????-??o?a?|a?|
è????????è??èˉ????èμ°???????????μ???è?????è???ˉ??????????????????o?£°???a???|??|??·2?????¥é???o????????¤???ˉ?|??????¥????????????èˉ′?????????????o????a??
??¥?????????è???¤′???????-????è?§???a??é?????????????¥?????????èμ·????|????è???3???§???a??
a???¥????a??
?-????è?§?????????????o??o??£°????°±èμ°?o?è????????
è?????è???ˉ?è?????é????°é?2??o?o??????1???
?¥1????o2???????ˉ?????¥1???????3?????¤???????è??èˉ???????èμ·è°??¤?èˉ′??°????o2?ˉ????é?′??????è???3????
?¥1?°±???è¢?é??????o?è???????¨è????a????§??????ˉ??aé??????oo???