??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??
??:???????? ?????????0.5??????
??:???????? ?????????0.5??????
??
????:
1?????95?:???????
2?????
3????????????
4?????????
5???????
????
6
%
???:??