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??12????????????10??????????? (???? ???????????)“??????????????,???????????????????????50?????????????,???1???????,??!”12???????????????????????10??,???????????

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???,???????????????109.5??????????????????,????????????????????????????????????10????,??????????4.45???????????????????4.27????????????,??????????????????54.1%?86.6%,??????????????“??????????”,?,???,????????49????,???????????

???,????57????????????????????2000???,???????,?????????????????17.77????????????4.64??????;?(?)???????,????,???“??”???

“?????????,???????,?????”????,?142????,???????20%,?????????????13???

????????,??,??2.5????????1????,?????????6??????8?????????????10???,???“??????????????”??????,?????,??????????????????????????????2000??,?????????(??) ????:???