????:1?????????:????????

2?????????

3?????

4???sn

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

???:?,???,?,???????????

????????????,???????10??????????????????????????1???????15???????????,??????????788.2???????,?26.6%,???????7????????5A???????????????10.89???????????,???40.65%?

??? ?????????400??

?,??4?????????????????,?????638???????????????A????????????195??????????????45?84????402.25?????

?????????????,?????????????????????2900?????629????,“????????????+”????

????? ????4A?????5.1%

???????,????,???????4A????????262.5??????????????,??5.1%;??????????100??????????????26.9????????????,????????7.8%;?????75?28.4???????????????,??3.8%?

??????????“??”???,?3000???????????????????????

?????? ????????????????16%

??,10????????????1??????,???????320???????,????????????????16%?

?:??????????????????????????????????????????????????????????

??????????? ????????200%

???,???????:????????????????????????????????????????????????????,???????200%???????

??????????? ????5.5??

10?1?,?????????????5.5???????????????????????????????,10?????????2?10?????????6??????????????,????????,???

???????50????????,???“???????”??????????,???230???????(????????????),???????????????50??????,???????????????????

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

?????75?,“???”“75??????????????”“??????”????????????????,???????

????????,????:???????????????????????????????????????????????

???,3050???,?47%,????,???????????????43%????????,???????6??????

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

?????:?????????