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

????:????????:????????

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

?????? ????

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

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

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

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

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

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

?????,???????????????,???,?????????????????????????,??,??????????????????(?????)

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