?? ??????????????????
????:1?????????????:???????????
2??????????????
3????????
4???????????
5???????
????????????????????11????????????????????27??? (???????????? ???)??????27??????????,???,?,??
????????????????????????????,??????????????????????????(?)?????????????????????
?????????????????????20???,????11???22?????????,??70????????????,?6??????????????????
??????????300???????????,??8.6%???8.7%???,?????????????????????,??????(????????) ??????????????????:???