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

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

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