?2000???????????????????

????:??????200????:??????????

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1??????????????????15??????????,??«???????????????????????????????(?)????????????????»,???????,????,???,????????,???????????,??????????1?20???28???,???

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????????,???6000??????????,?????626.84?????????????,???????????????205.8?????????,??????,????,?????????????????????????74%?????????65%,?30%??34%?

?,2000??????????????2000-4000??????????4000-6000???????????????????????????10%?52%?108%?

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