???:??????
??“??????????????”
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??
?(10?7?10?13????????????)
?(10?7?10?13????????????)
??
????:
1???????????????:????
2???????
3?????sn
4???????
5???????????
???:??????
????
6
%
???:???