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