??????????????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%,??????

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