?y?? μú284??μú?t°ù°?ê?èy?? ????ê?????（1/2）

μu?t°u°?ê?èy????????ê?????

?°?o??o???è?′yo??á?u?￡·??é°??d??￡÷￠2¨-x??i?ud??±

áèo??uμ-μ-μ?μà?￡

?y???ud?à???????μ?￡?·?·eê§è￥á?ê2?′?￡

μ??yè′2??aμàx??oê§è￥á?ê2?′￡??uo??y???2o??2￡??a??3tx??o???1ê§è￥á?ê2?′???÷?￡

?°?o?a?iè￥u÷??ê￥è??￡?±

?o??à???μ?á?μ?i·?￡

??ooéid?o??ˉ￡??2ê±??ê§??è￥￡???á????têy?a?μ??1a￡?2???é¨?oáèo??u?￡

áèo??u????o???￡??y?-?èo??±ou?2??èè??￡?o2ou?2??±?????μ??d???￡

μ????u2??a?ao?￡??yodd??á???a???§1?￡??á???ad?è?o??ao??§μ?±i?é?￡

?°1??￡·??é°??d??￡÷￠2¨-x??i?ud??±

à?±u±ui?3?o???x??￡

áèo??u??1a±?è?μ?xo°?￡?é¨1y??d?i??yμ?dt???￡

??￡?

??d?dt???uê±à?è?o?2??￡

oè??ê?μ±áèo??u?μ3??°1??±x???oo￡???°?1o?uμ?é?μ?′ou¤·¨xu????￡?????i§i·￡???1a?t±èà?uy?￡

?o′￥μ??a????1a￡???d?dt??d?i·o?o?￡??±?|ê???á?êo??￡???x?2±xo￡??y?yμ?x?á?3?è￥?￡

???ioo￡?′o1?oo3?à′μ?dt??￡???′o2?·???à??aá?￡???ê￡???aêy2??àμ?o?2?·??1x¤x??u?aà??￡

?°?é?§á?￡??????dxo°??o??3?à′￡?x??oè′?à?uá?à????￡?±

?°?u?é?§μ?ê?￡????èá??o??￡?μ??o??è′á???μ???x???2??a?￡?±

?°ê?°?￡?è?ê??aμà???dê2?′??x?￡??1?u°???á￠o???????￡??àμio?·??￡?±

od????dt??i??￠μà?￡

?????a±2xo???t·¨iu??￡??????dxo￡?á￠ou???éμ?1?oo?u￡??uéi°x??i?ii￡???ooo?o??o??á|￡?éuéu?????????iá?3?à′?￡

?°???d??ê°?￡?±

o???????μi3áμ?éuo??i?e?￡

?a????dt???-éui?è￥￡?±???o???2?o??dxo￡??￡??μ?±¨3?á??a????x??￡