???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%,??????

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