??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??
????????(??)?????
????????(??)?????
??
????:
1??????????????:????VX
2???????
3?????????
4???????
5????????
????
6
%
???:??