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