????:1????????:?????398?????

2???????

3??????????150??

4???????

5?????

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

?????? ???

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

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

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

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

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

????:???