???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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