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

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

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

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

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

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

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

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

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

???:????