?? ????25???????? ??????80%??
????:1???????????:?????95
2???????
3?????????
4?????????
5??????
?25??????????????,?????“??????”???????????470??????????????????,???80%???????????
??????,?????1999?470.2??,???????????????????????????,??????,???100%??,????????????????????????????????????????
????????1??????,????????????????????5000??????????,?????99%?
(????????? ?????? ??)
??????:????????