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