??ìú??1???°?è¨?ùóD?′?-Dí?é2?μ??′????

ìì?′?ó￡?è?ê?′ó±±o￡?a?íé????′￡??í?á・￠????óú±±o￡?DD?μ?μ?・?￡?・?é???・?￡?

・?・eìì?′?óμ±?D?′??・￠éúê2?′′óê??éò?°?￡?

?°???aììé・′ó?ó￡??e￡??±

×÷?a±±o￡μ±?D?¨ò?μ?????3?￡?ìì?′?óê????yμ?????3?￡?è????・?e￡?2?á|D?o?μ?2??é???óμ?3ì?è￡?

è???μ?ìì?′?ó￡?ê?á|?ó′ó￡???????è??§?§è?￡??ó?÷ìì?′μàè??üê????éá?・?￡?áì?òμ?1??òé?í¨°?μ?è???￡?éíoó?üê??ú?ù?ü?aμ?óμóDò???òtêàà?1???×?oó?ü￡??ú????±±o￡?é??ê?ò?・?′óê?á|￡??Tè??òè?￡?

μ??aD??3?μ￡???o??íòa?yá・3???μ?μ??Têyáé??￡?è?2???ò?×ù?T±è??2àμ?′ó?ó・¨?y1ì?úò???μ?・?￡??óè?′?é?á?ò?2??àé?￡?ò?2?à?é?￡?ò???μ-μ-￡?è?óDè??Tμ??eé??￡

μú1021??￡oμúèy°ù??ê?èy??ó?ó?è?éúDD￡?ììμ?è??Dò￡(1)

μ?ê?￡??í?ú??ìì￡?ìì?′?ó?ù?úμ?μoóì￡?è′31μ×・a±??eà′￡?Dé??μ±?D￡??üóDò?????μ??????ú・éìúà′??￡?è??±??×°￡???×°μ??à3Y￡?????óDé?μ???1a￡?2????ò×????ü?ˉìèé¨êó?￡

?°o?￡?o?￡?o?￡?1?è?3?2????ò￡??ò??±é1???￡???óú・￠??μ?μ??a???yá・?eμ¤￡??1??1??òμ?ê???￡?1?è?óDD§￡?1??à????ê2?′￡?2??íê????-?ú?é???yá・?eμ¤?e￡?ò2?íê?ò????ê????ò??￡?òè?ê??yá・3??eμ¤￡??yó?óDo???￡??±