11????????50% ??????????????

????:??????:????95?????

???11??30????? (??????? ???????????????)?????????????????30????,11???50%,????????????????0.2???????????????,??????6????50%???????????????,?????

????????,??,???????????0.3?????0.9????;???????????????????;????????????????

??????????????????????,11?????,??50%,???????????????????????,??,?????60%????????????????,??????????????;?????52%??????????,???;??????55%????????,??????????????????????????????,???

?????????????????,????????????????,?????,?????????????????????,??????????,???????????????11??,??????????,????????????(?????????????) ????????????????:???