??????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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