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??????,???,????????????????????????????????????2012???????????????????54??2023???126?????,?????6.1%,???????????????30%???????????????,????????????????,??????????????,???5%???,???
?????????????????,??????????,??1.91%?????2.64%,??34??12?????????,?????????????????????????,??????????????????C919????????????,“??????????”?????????????,??????????????,??????????????????,??????????????????????5G???????????
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?????????????????????????????,????????????????????????????????????????,??????????????????,??????????????????????????????????????????,???????,????????53.1%???66.16%????,?????
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