?:??????
“????????”_????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??
????????????????? ????????
????????????????? ????????
??
????:
1?????????:????????????
2????????
3?????????
4?????????
5???????
?:??????
????
6
%
???:??