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

2????????

3???800

4??????????

5???sn???????

????????,?“??????”????“???”,???????????????????13???????,?????????4707?????????????,??????????????????32%,???,?????

9??5?????????????????????,?1?MU5807?,????????????,??????,?,?????????

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

?? ???????:????????????????????10???????????????,?????????????????????????????????,?????????20%??50%????????

???????????4???,???2???,?2????????????????,??????????????????????,????

??????????????? ?????????:????????????????,??25-30????????????????????????????,?????????????????,??,????,????1500??????????????????????????(??) ????????:???????????