?? 11??????????????50% ????????
????:1???????:???????
2???????qq?
3??????????
4???????
5???95??98????
??11?????30? (?? ????????????????)???????????????30???????,11????50%,????0.2???????????????,?6?????50%??????????,???
?????,????,????0.3??0.9??;?????????????????????;??????????????????????????????????????????????
??,11????????,??50%,?????????????????????????????????,????,???60%?????,??;????????52%??,????????????????;???????????????????55%???????????,??????????????????,???????????????????????
???,??????????????,?????????????????????????,????,????????????????,???11?????????????????,??????????,???????(????????????????) ????????????????:???????????????