??????????2??????????????14??? (??? ????????)???14?????????????,???2???????????????????8??,????????50?????13??,?????????5.3???,???????????????????????75%?

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?,????????770???????????????????,??????????????1?10?1??????22.5????????????6????????,???????????????????????,??

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

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?????,????????????????????????????3????,?????7500??????????????,?????95%???????,???

???????????????,????????96.8%,????2.2%,????????1%,?????????????????????

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