??
????????????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%,????
??,?????,?????,???????????,?????,?????????????????????(?)
??????:???????????????????????
???????????????????5????????????????