????????????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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