????:?????
??“????VX”????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??
???????????????“????”???????
???????????????“????”???????
??
????:
1?????VX:??????
2???????
3????????
4???????????
5??????????95?
????:?????
????
6
%
???:??