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

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

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

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

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

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