4G???????????? NCC????????

4G?????????????NCC?????????(?/??????)

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??4G????????????????????“?????”??“???”????????????(NCC)??(4?)????????????“???”?????????????????????(????)???????“??????”?????????????????

NCC????????????????????????“?????”?“??????”?“?????”????????????????????3?6??????????????????????????????????????????????????????????“??????”?????1?30?????????????????????

NCC????????????????(????????????)???????(????)???????????????????????????“?????”???“??”????????“???”???

NCC???????????“???”????????????????????????????“??????”???????????????????????????????????????????30?????300?????????????????????????????????????????????????????

NCC??????????????????????????????????“???”?????????????????????