?? ???:???????????818.6???,????48.8%
????:1???95??98?????:????????
2??????
3????????
4?????????
5???????
????11????22????????????? ???????????22?????????????????,?????,???????????????
??????,??????????????,???????????????????????29?????,????????????????????????????????????????????????????15???????????????,????
????,????????,????????,?????????,???????????,?????818.6???,?????48.8%;??,????????488.5???????,???78.6%?
“???????????????,??????????????????????????,?????,????”????????????????????? ???:???