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