?? ?????:???????????????
![](https://image.chezhanri.com/2020/0401/7dd93bba7a74426f89bb41c5196019f4.png)
????:1?????????????:51??????
2???????
3??????????
4??????????
5???????
?8????6????(??? ???????????????)?????????“?????????????????????? ??”,?????????????????,???????????????????????
?????6?????????????,???,??,????????????????????????????,?????????????12?????
???????,????,???????????????,?????,????????????????
???,????????????,??????????
???????????????????,??,????????????????,????????????????????5G????????????????????????????
?????????????????,?????????,?,?????????????????????????????
????,??,??????????????????????????,???????????????????????????????????????????????????????????????????????(??????????????) ??????????????????????????:???????????????