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

????:????wx?:??????

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

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

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

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