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

2???????????

3?????????

4?????90????????

5?????

????,???????????????(?)

??75?????

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

75?????,????????,???????????????????????

????,???

??????????,?,???“???????????”,??“????????”?????????????????,??????????????????“????????????????”?????????“???????”,??,?????????????????????,??????????????,“?????”??????????????“?”,????????,????,??,????????

??“????????????”,???????

??????????,J202???40?????60???????????????????90????,???????30???,“????”,?????????,??????

“????,????????”2012????11????,?????????,????????????????????????,???????“????????????”???,?????????????

?????????,??????????“??????”?,????“?????????”??????????????????????,?????????,??,?????,????????????

19492024,????????????75?????????,???????????75??,????????????75????????????????,???????????????????????????????????????“?????”????

??,??,??:“???,?????,??????????????????????????????”75???,75??????????????????,“??????????,????”?????????????,????????????5G??????9.5???,?????????40???????,?????????49.7????????

?,?????,??????,75??,???????????,????????????????????,????“??,????”?

??????,????????????,??????????75?????,?????????????????,???????????????????????????????

???????,10???????10????,?????????“????????”???????????;????,????????18???“??”,??????????????;????????????????,??????,?????????????????????????,????????????……

??,???????25.5?????300?,???????????200?????????,?????????????????;?,?????“????????”?????????C919????????;?????,????????????????????????,?????,??????“???????”……

“?????????”???????????????????,?,???????????????75???,???“???????,??”?

“?????????,???????????????????????,?????”????,????????????,??,????????????????????????????????????????????????????????????????,???????,???????,???,?????????,???????,???

“????????”??,?????????75????????????????,????????????,????????????,???,???????,??,????????

« ?????? »( 2024????????????????09????25???? 05 ???) ??:???????????