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