???é????¨è?|?????????????????????èˉ-?°?????o????è°????a??è???°±??ˉ????oo??o?1????è-|?ˉ?????????????a??
a???ˉ1??????a???1???????è?|??????a??????·2????????ˉ??????????????oè￠?éa???°???è-|?±??o?a?|a?|a??
?±?????¤??2?é???????????èˉ-?°?é??????2??????￥???a??è?????????μ??°?????¤??????o????1?????????????a??
?1??????????????¤′???
a???????ˉè?????????????aé??é?????????¤???????è?3?????oè￠?éa???°??????è???????￠?o??￥??¤?????·￥??????a??
a???????￥???????????o??3???????????3???è￠?????oo???è§???????è??????????oé?¨??????é??é??????????????????????????é￠????????????°-100%???a??
èˉ′???????1???????è?a??2?????????a????ˉ?????ˉ??o??ˉ?????????a??
?±??????o?o?è????·????o?é????????è????????
?±?????¤???′?2????èˉ′èˉ????a??èμ°??§???a??
??°??o??o??????é￡???o????????a?°???????????o?è???o???°???
??¤?ooè￠?è??????????????è?|??￥??°????????°??o???
??·?￥3????????￠è￡?????|?????1???????è·?????·￥????oo??????????????￥??°?￥3???????|?é?′é?¨??￡???
??′???è§??????a???é???1???￠???
è??è???·2???????￥??|??o??????￠???cos???????????????é???????o?¨?è????ˉ????·?è·????
?￥1??¨é?¨??￡??μ????1??????????????o???ˉ?????????é￥°???????ˉ????
????2?é?±è￠??????¨?o???°??????è??è??è??é???°??????°?????￡???a???1??????????????2???′?2?è·??????????????°±èˉ￥?????o??￥???????????￠?????ˉ??????è???o?é?±????????????é????o??′??-???????????????è|?????￥??????????a??
???????￥1????¤o?¨?????1????????2?èˉ′èˉ??????aé??é?????é?±????????????èμ·???
è??è??????o?é?aè??????±????a??????????ˉ??·é??????°±??ˉè???1??2?éa¨?¤′???a??
?1???????é??é??èμ°??°??????????°???′????￥????é???￥¨?????????
a??????????ˉ??￥????o??????a??ˉ?ˉ???????é?±é???o?èˉ￥???????????????è|??°±?????¨?????????è°???3è|?è°????èμ°???a??
a??è?3?o?????-?a?|a?|a??
?1??????????èμ·?????????????3??°′???????????????è??è???¤′????·???????
a??è???????ˉ??????????o????a??