????9?6???? ?,????9??6???????6??????

?????9???6????,?????????????????????????????????????????????????????????????35~36??????,???????,???????????????????????????????????????37~39??

?????:????? ??????:???????????? ??“?????vx”

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

????:1??????vx:??????????

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

3???????????

4?????????

5???????

????9?6???? ?,????9??6???????6??????

?????9???6????,?????????????????????????????????????????????????????????????35~36??????,???????,???????????????????????????????????????37~39??

?????:????? ??????:????????????