??????????????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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