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

????:????????:??92939598????

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

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

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

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