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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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