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

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?,????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???????“?????????????????”???????,??????????????????????????????????????????,???????????????????????????????????????????????????????????????????

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

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