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2?400??3???????

3?????

4????????

5?????

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???,??3.1????,???14.7??????????????,????????????“??”????????,????6??,??????????????????11?????????????????????????????,????????????????????????2????????,????????,???????????????????????,????????????

???,????????????????????????????,???????????????????????,??????110??,??4.54???????,???15.1%,????????????1?????????????????,?????????????????,?????1100????,???????1300????????????????,?????990?????

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