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