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2???????

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4?????????

5??????200??500

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2012????12???????????,???????????,????????????????,??????????,??????????“?????”??

“?????”“?????”?2020?????????10??,??????????????????40??,???????,?????????????,???????????????,?????,????,??“?”??????????,????????????????

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????????????“6???90%”:90%???????????????????,90%????????????,???,????????94.9%???????????????????,???????????“??????????”?742???,??2.47??????????????????????????,??????2014?5???????????

???????????????????????20????,???????????????,????????????????????????,???8002?????????,????????????????15%;????????????????????,???????2.2??,????31.7%,?????????

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