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

2????????150??

3???????vx

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

5??????????

??????????????11??25?? (???????? ????)??50??,“???????????????????50???????????”24????1500????

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

???????????????????????????? ?? ???????????? ???????? ?????????????1500?? ?? ????????? ??????????????? ??????? ?????? ?????????? ???

??,?????????????????????????????????,????????????????????????????????????,??????????????????(???????)

??:??