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

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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