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

2???????????

3???????

4?????????

5???????

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

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

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

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

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