?????????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%,?????????

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

???????????????:?????????????

??

??:???????????,??????????,??????????????