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???????????6????????28?? (????????????????????? ?????)??????????28??9??????????????????????????24????????????????????????????????????????????????????,????????????????????(150????????~200????????????????),??(????250??????????????????)?(??????80???)??(???????10??????)????

27?????7????28??????7??,?,???????????????????????121??50??,???3.4%;??97.8?????,???????88????50?????(?26.5%),????33.8???

????????????,28??,29?????????,28????29???30??,??????????;7????????????1??????????2??,??????????????7???????3??????4?????

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