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2?????????100?????
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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