????:1????????:????

2???90??????????

3???95???

4?????

5??????????????

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??,???,?????????????“????”???????????,???,???????????????????????????,???????????????,?????????“??”?“?????????????????”,??

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??????????????????????,?????“??????????????????????????????”??????,???,??,??“??????”?????????“?”“?????”???????????“??”“????”??????????“??”,???????????????

???“??????,??????????,???????,???,??????????????????????????????????500??10?????,???”

??????????,??????????????,?????????,??????????,??????,?????

????????,“??????,?,????????,??1000????,?????,?????1600?????”

??????,????????“?”???“???”? ??????? ??

????“????????”????????????????,?????????5.7??????????????????,???????????????????????????????????????????????????,???????“??????”?????“??”?

?,????,??,???????????90%???????,????????????,????????90%?????????,?????????10%???(?????)

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