o????a?1ê?3àó????yòaò?é?μ?μúò??tμà??£?μúò??t?íê?c??£??u?úμà??é?μ?ìi?3ò??-2??????÷?£
?a?íê?ìiéuμ?μà??ê|?e£?
??o·è??1?£
?°3àó?£???ú¤?Dìáxó?í??????á?£????éò?oíD?ò??¨éìá?ò???£??′?′?u?1óDê2?′òa?o£?2?1yò22?ó?ì??3x??u£??÷òa?1ê?°′????μ???·¨à′?£?±
?°oí??à?′?ò??u£?óDê2?′Dèòa??1üìá£??ò???á???u?ü°????òà′μ??£?±
3àó?μ?á?μ?í·?£
?°??ìiê£??μ??μá·ê±??ò??-2??à£???????è¥?i?ˉêòoí?üá?3??£?±
??x÷μà??2?±è??ò?£?ò??tμà??μ?3é1|á????ì?o??D?ê±£?3¤μ?é??á?é?üòaèy???ê?£
?uò????y????μ?μà???u±??í2??é?üá?2u?£
3àó?ìi?3??è?oü??£?μ?ò2??°i·¨???ìμà????x÷μ?ê±??£??uò?????ú¤?Dìáxóá???3éμà???aê??±2?μ??£
?°??o??£?±
3àó?±iê??÷°x?£
μú?tìi£?±èèu??3£??DD£?2?1y???u??óD??è?èuμà?£
?÷ê?ó?±?????á?£???è?èux?ooò?3?ê??y?¢ê??y£??1ê??y?£
??í??éoí?y?¥??μ?μ???ê??£
???a??2?Dòμ???ê?à′x?ò?oí1u£??a2??éá??e£?
ò?μ???2?Dèòaí??éá????£
?÷ê?2???à?·?ê±??£??é3?á?èè?aé?í·μ?D?ò??¨£????¨2?μ?á?·??óê±??£??í′o±?á???ê?á???3èêTμ?1·í·?£
ò?·??óò????£
?é??à????£
oYà±1????£
è?′o?ú???yè?ê?á??aêà??é??¨ò?ò???ìiê1áu?£
?uê?é?ê¥μ?£?í?ê±ò2ê?2D?áμ??£
x?oo????D?1ixóê?°xx?D?á3??ì¨μ??£
??ê??ࣨí′£??ࣨ?i£?°??£
???÷ìi?íê?D?xé?-?·èuμ?x?ooò?ìi?£
??è?èuμàμ?°??????ú?÷ìi?yê???3??£
μ??u±?é?ê2?′è??ü????èuè|ò??-ò???á?è?á??£
axé£?ò2?íê??÷ê??u?úμ?xé£????°?y·????ú?°á???μ?ê??÷ê?oíì1é£1uμ?°2?a12oí1uμ????ê£?μúèy??μ??y·?±???á??xμ?????μ?£???óDx·??μ??é?üD??£
???÷ê??¨ò???óD????1yμ?£??í??ê£?????êò?è??£
?uò??÷ìi?yòa????μ??íê??a??°2?aμ??±c??óuêTê|?£