?? ??????15??“??????”???? ???????50%?
????:1?????95?????:????????
2?????????95?98
3???????
4????????
5???????????
?????????11??????????????????27???????? (???????????? ???)???27??,?????????????????,??????“?????+??+??+??”??????15??“??”??,15????????????“??”????,????50%????,?????,???
??????,????????“?????????”?????????,????????,????“??”,??????????????????????????,????????????????????,15????????“????????”???????????52.4%,?57.8%,??66.9%,??87.5%,????“?”???“????”????,????????“?”???22????8??????????,????63.6%;??????????????40???????4??????,???????90%?
??,???????????????5???“????”,??????“????+??”??????????????,“???”?????????????????????,????????(??????)????????????9????39???19???183?63?,???“??????”?,?????
???,????“???????????????????????”,??????“???????????”???,??5.8?????;?????????????????“??”,????26????????????3??,??,??1992???;??7*24?“???”,????????????,????????1.7??,????????????????????,?????????????????“??”?
??,??“????”“???”“??”“?”??10?????“????????”???IP,???????????????????????????????????,??(??) ???????:??????????