????:1???????600?????:??????

2?????????

3???????????

4?????

5??????????

??????????:???,????????,?????“????”???102??????????,???

?????????????????????????????????????30??????????????,?????????????,???????????????,?????????????????????5808????

????????????????????,??18%???80%?????????,????????????????????

???????????????????????????19.5?????????,????????????????????????21????????????????????????????????????460???,??????????????90%,????????51.2??????????“??”,?????75%?????????????

????????????????????????????????,?????????????????????????“??”?????????????,??102.44???,?????159.6??? ???:???