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