???:??????????????2311????

???????????2???????????5??????????? (???? ???)????????????????????2????????5????,?4??,??2311????????

?,?????????1995.6??,???????5.2%?????351.8??????????,???185.8??????????????,???1???2???49.4?????????????????????????????

???????,???????,??????,??????,???????10.4????,???8.9%?

??APP??,??,20???30?26%,????????,??????????,??????,???????????????????????27.7???????

??,???????????,????????????19.5????????????,????????25.7???????,??????????28.2%,???????????8%?????????????11.8??????????,???????????,??IP???????“???????????”??????????,????????????????,???????????????????????????????????????

??????????,????????????????14???19????,22????????????????????????????????????,????????????????,???“?”,???????????????????????(????)