?? ????????????????9?
????:1???????????:??????????
2?????
3???????????
4???????
5?????sn
10??11?,??,???????????????,??????????????
?,??24??,?,????????????????,????,?????????????????22????????????????,??????????????????????32??????????????????????????,???,??2???????????
???????????????????,???9?,??????????(???????)???????????????????????12065????,???11.6%?
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