??????1???????????????8?????????????? (???? ??)????????????(PUB)??(??????“???”)7?????????????,?,????????????????,????,????????????????????????????????????????????

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

??????????????,????????,????????????????????30??/?????????,?????70???,?+????????,??????

?,??30??“?????????????????????????”????

???????????1990???????????????,?????4????/??,???????????????12????????,???????“???????”????,????????22%????????

“?????!”?????????????????????,???????60??????26?????????????????????,??75%???86%????????????60%?????80%????????

???????????,?“??????”????,??????????3.24?,????????????10????????/??,?????????????????????,??????????5G??????(???)

????:??????? ??“?????????”

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

????:1??????????:spa????

2??????????

3??????????

4???????

5??????

??????1???????????????8?????????????? (???? ??)????????????(PUB)??(??????“???”)7?????????????,?,????????????????,????,????????????????????????????????????????????

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

??????????????,????????,????????????????????30??/?????????,?????70???,?+????????,??????

?,??30??“?????????????????????????”????

???????????1990???????????????,?????4????/??,???????????????12????????,???????“???????”????,????????22%????????

“?????!”?????????????????????,???????60??????26?????????????????????,??75%???86%????????????60%?????80%????????

???????????,?“??????”????,??????????3.24?,????????????10????????/??,?????????????????????,??????????5G??????(???)

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