????:1?????:??????

2??????????

3??????????

4????????mm

5????????

??9???27????????????? (??? ?????????)????2010???,?????????????14?????????????????????????????????“?”???????“??????”??,????,????????????

?????????“C919?”,?????“????????????????”???,????????,??????????????“????”??????......??????,??“????”???????????????????????

????????75????????????,?????????????,?????1952????????120??????(??????????,?)??2023?????39.9?????,???10.5%?

??????,500???,???2023????????????,?????????3011???????,??15????????????????????????????????????????????15.7???3.3???????????????1.9????????43.0?,???

??????????????????????????????,????????????????????14???????????????????????????????????????,??50%,??“????????”?

?????????????2009???????,???,??????????,??????80%??????2023??????,?????58.5%,????????????

???,???

?????????,??????????????????????;????????????,????????????????????????;??,??????????????????;??????????,????6G???????????????

?????????????,?????????????,????,??????????????????????????????????????????????????????????5G???????????

?????????30?????????????????????,260??????????????,???????????????????????,????????????????,????????“?????????”?

2023???????,??,??,???????????????14%?

????????????????????????????????????????????????????????????????????????????????5G??????,??153???,???????62????????????,???????????????????????40%?

???????????????30%,??30%?????????????????340?????????????,??????????????????41?????????

?,??????,??????????????????,??????,???

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