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