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

2???500???????

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

4????????

5????????

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

??1??2??????????????????????????????????????????? ?????????????? ????

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

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