??????′y?ú?á
???????°′ó???y??ě????????????????ú???????ń??????á???????ó°?ě?ü′ó????????ó??????????ü×??????¤??
??????óú?á???????????°???????ń?????§ó??????÷ˇ??á?ń?′??ó????ú?????????a?????????????ń?úé??á?????í?ěóy????é????????????′?′??????á????é?üó????????????ó?ü????′ó???ú???????′?????????????ń?÷????é??????á′ó?y?????í????ó°?ě??
????éě????éí?????????ń?ú????é????????÷?????????á??ě????????ó?ü?????????í???ú??????í???ó?×???????′ň????????????′ó????????????ó??ú?′???????¤?????ó????????í????????°?????ú???ě???ń?á????????????′y???????ú?á??
??????????ó????ń?a?÷?é???????????ú????×′???????ú????×??ü??′??ń?a?÷?é????????ˇ????y?????ń?????????ú?y×??ú′í?ó?????ˇé????????ú?ú?á?íá??????§í??ě???y?ó?ü?ú?ˇ????????í????-?é?í?÷???????ú?é?÷×????a??????á??ň??????????×?????
?????°???????????°óé′?′??′?????ú?í??×÷???????-????????ě??????????????ü???×?????é?????????????-?ň?í??í?????????????′??′?é??????˙˙???′?????é???¤×?′í?óˇ??ň???????????ń???-????ó???á??ň???????ú????ˇ????÷??????????????′′?ěá???????′????°ˇ????éáě??????
???????????ń???ú????í????????????ń???????÷??1???í2????á????????á???ó??×????¨??ˇń?á???????ň???????????????ü?????????ň???????í????ˇń×??????a???ü?????ú?yˇ?????ěá???????????í??????????ó?70%?????ú???????????ú?y?°×??ú′í?ó?????ˇé????????′???????ú?á?í?′á???
?????ú?á?é?ě?????ň?????′????ˇ¨?é?????ú×üí????????????????????????í?ü??×óó???????×????á????
????(?′?′???????ú?????ü???ˇ)
[é?????]??[1]??[2]??[3]