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2?????????

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4?98?????

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??????????,???????,??????????????????????????????????2012???54??2023??????????????????126????????,????6.1%,????30%?????,????????????,??????,??????????5%?,???????????

?????????????????????????,???????,???1.91%??????2.64%,????????????34???12???????????????,???????,???C919????????????,“??????????”??,?????????????,???,????????????????????????5G????????

?????????????????,????????????????9?????????????????1.3?????????,?????????????“??????????”???????????,??22.5%????30%???,??14????????????????9.4%????????15.7%????????????????????,????????45.5%??????????????????54.6%,??????????,?????????????

????????????,?????????????,??????????????????????????,????????,????5500?????????,?????????????2012????4.1??????????????????????????????????????????,????????????????????????7???,?????????3.1???????????????????????????????“?????”??????????,?????????????“?????”?????2800??,??9????

?????????????,?????????????????????,??????????,????????????????????????????????????????????????????????????????????????????????,??????,??53.1%??????66.16%?????????,?????????????????

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???????????????,??????????????????????,???????????????????????,2013??????????????????1300???,??????????698?????,??????5.1%???,?????????2.88????????2.39???,“????”?????????????????????????????????????????????????????????????????????????,???,??????????????????

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