????:1??????:????VX

2???????

3??????

4???????

5?????????

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

???????????,????????????????,?????“????”“?”????????????,?????????“???”??????

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

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

?,????,?,?????

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

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

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

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

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