?? ???????? ????????????????
![](https://image.chezhanri.com/2019/1129/2a1497cec733cfebc45dae61ef6b8e5c.jpg)
????:1?2021?????????:?????
2????????
3???????
4???????????
5????????
??7??15????????????(? ?????????????) ?????????????????????????14??,???????????????????????????????????????????,??????????????????????????????????????????????????????
??,??????????????????,????????????????????????????????????,??????????????????????????????????
??????????????????????????????????,????,???????????????????????,???????????????????????????????????
???,????????????????,???????????“?+5G”??????????,?????5G??????
????,????????????????????????????????????????????,??????
????????????????????????,???7?????????????9??15??????????????,?????????7????????????13?15??,??????????????????,?????,??????????????????????????(???)
????????????????????????????:??