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