2?????21??,??????????,???????????????????

??????,????,?????1406???,???????304???????????????????983??????????????????117???????????????,????????????????????3.5?????

???,??????????,??????????????????????????????????17???,???4??????3????,????????????????????????????????????,??????????,?????????????,????(???????????? ?????????????????)

?:???

??“??????????”

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

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

2??????????

3??????????AA

4????????????

5??????

2?????21??,??????????,???????????????????

??????,????,?????1406???,???????304???????????????????983??????????????????117???????????????,????????????????????3.5?????

???,??????????,??????????????????????????????????17???,???4??????3????,????????????????????????????????????,??????????,?????????????,????(???????????? ?????????????????)

?:???