?? 11??????????????50% ????????
????:1?????:??????qq
2?????
3????????????
4???92?95?
5??????????
????11????????????????30??? (?? ????????????????)???30?????????????,11??50%,???????????????0.2?????????????????????,??????????6?????50%??????????????????????,??????
??????????,?,?????????????????0.3??0.9???????????????;????;???????????????????????????????????????
?????????????????????????,11??,??50%,????????????????????,??????????????,????????60%????,??;?????52%????,???????????;??55%???,????????????????????,???
??????,?????,????????????????,??????,???????????????????????????????????,????????????11??,?????,?????????(???????) ????????????????:??????