?? ???3800??????????????
????:1???????:????????
2??????????
3???????vx
4???????
5?????????????
?????11???29????????????????? (????????????????)????,???????3800???,???????????????????????27%,?????335???????????????,??28.6%?
????????????29????????????????????????????
?,??«??????????????»???????????????????????,??????????????????“??”?????????“????”?
?????????????????,???70????(????,??)??????9??,???????50??,“???‘??????’,??????????”
?????????,??????????????724????????????14????????????,???????????????2???????????5A?,???????
????????????????????,????,??????????,??“?????????”??????????????(??) ??????????????:?????????????