??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%,??????

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

?????:????????????????

??

??:???????????,??????????,??????????????