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

??2???????3?????? (? ?????????????)???????????,?????????????????,???????

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

????,1????28???0??2??3???????15?,??????????????????2.6?,???44%,?????????????????,??????85.7%,?8.3%,???????6%????????????,??????,?????1400?????

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