单项选择题
A.Asset B.Atoll C.MUSA D.planet
A.Mobile World Congress B.Expo C.cebit
A.HSS->SGW B.SGW-HSS C.HSS-MME D.MME-HSS
A.PCI自配置 B.Automated neighbour configuration-ANR C.Energy savings D.Cell Outage Detection and Outage Mitigation
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