??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??
???????IPAF??? ???????????
???????IPAF??? ???????????
??
????:
1?????????:??????
2?????????
3?????????
4?????????
5??????
????
6
%
???:??