???5??????????????

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?????2??????14??????????????????? (???????????? ????)???????????14?????,?????2?8?????,?50??????????????13??????????,??????5.3???????????????,???????????????????????75%?

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?????????,????????????????????,?????????

????????????,??????????????770???,???????????????????1?????????????10???????????????1??????22.5????????6?????,???????????????,??

?,??????,???,????????,??????????

?????????????????????,?“??”????????????“??????”???????????????

????,?????????????????????3??,?7500???,?95%?????????,?????????

????,????????????96.8%,???2.2%,???????????1%,???????????

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

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????????5???????????????????

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