????:1??????:??????

2?????????

3???????????

4?????????

5?????

??????????9??20? (???? ??)“???????,‘80??????????????????’‘90????’???80%?”???????????20???????????,???????????????IP,???????,“????????”???????

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4??????????????????????2?,?,????????? ???? ?????????

?,??1?8?????,??1.16?????,??903.8???,??14.2%?16.1%,???????15.7%?

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?,???????“????????????????????????????????????????????”????????????,??“???????”“????”?IP?????;???????????,????????????????????????“????”????????,?????????;????2000?????????????,???“????????”?“???”?

??????,????????????“????”,???,??102?????????,????200????

?????????????,??????????????????????????,??,“??‘80????????’‘90??’??80%”?

“?????”???10???????????????,????“80??”??,“???????????????,????,?????????????????????,??????????”?(??????????)

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