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

2???????

3???????

4?95??92????

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?”?,“??????????????,???????,??,????”?(???)

????:?????????