?? ??:?????270?????????
????:1??????v:???????
2???????????????
3?????????????
4?????
5?????????
????????????????12??20?? (???????? ?????????????????)??????????????20??????????,??12???????????????19?????????24?????????,????????????????270??????????,?310??
?,??????????12?????19?????24??,?3330?5210?,??“??????????????????”????5300??,??100???
??,???????,???????????,??????????????????????11????????????,?????6.6%,?0.5?;??????????3?20%????????????????
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???,??,???35%?????????,???9???,10??15.5%,10????4.1%???????????????,????????????????16%?(????) ???:??????????????