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