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???1?????????2????????????? ??????????? ?????????,??????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???“????”????????????????????????,???????????????????????,??????????????????????????????????????????????????????????
???????????????????????? ??? ??????????????,?14?????19?????????????,22????????????,?????????????????,????“??????????”,???????????????????????????????(?)
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