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

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