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

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