????:1?????400?4??????:?????

2????????

3???sn??????

4????????

5?????2021

??1??????????????????????????4??? (??????????? ??)1???????????3?,???“?????????????????????????”????,????????????,20???????

????“?????”??????? ? ??????????????????

?????????????????????30?,?????5G???????????,?,?,?????????????1172??????????????????????????

????????“???”?????????? ?? ????????????????

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

?????????????????????? ?????????????????????????????????????? ?

???,????????????????????????«????????(20242027????????)»????????????????????“???+?????????????”?

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

??????????????????:????????????????