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