??????
??????
??????
??????
??????
??????
??????
??????
???????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??????
??
??????:“???????,???????”
??????:“???????,???????”
??
????:
1???95?98???:?????
2???????2000
3???????????
4????????100????
5?????????????
????
6
%
???:??