?? ??????????? ????????????
????:1??????????:?????????
2???????
3???????
4???????
5???????????
6??????????????????27??,???????4???????????????,????????????,????????,????
???????????????,???,???????????1200?????
?????????????????????,????????,???????????????,?????????????“??”????;??????,??,????????“?????”??????????????,?????????
???,??,?????,???????????????????????????5G??,???
(???????????????? ?? ? ???????????????????? ????)
??????:??????????????????????????