???5??????????????

????:???1000???????:??????????

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

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

???????:??