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

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

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

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

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????:1???????:??98?

2?51?????????

3???????

4?????

5?????

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

???? ?????

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

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

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

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

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

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