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