其中移动交换机在核心网中又占据了最核心的位置，它主要负责通信管理功能，即呼叫处理功能。
And the MSC(Mobile Switch Center) plays a very crucial role in it, with its main responsibility is to do the communication management.
英国通信管理局已经揭示了手机如何主宰人类现代生活的细节——特别是具有音乐播放器、游戏、摄像头、网络和电邮访问等功能的智能手机。
Details on how the handsets - particularly smartphones with music players, games, cameras, Internet and email access - have come to dominate modern life have been revealed by telecoms regulator Ofcom.
英国通信管理局已经揭示了手机如何主宰人类现代生活的细节——特别是具有音乐播放器、游戏、摄像头、网络和电邮访问等功能的智能手机。
Details on how the handsets -particularly smartphones with music players, games, cameras, Internet and email access -have come to dominate modern life have been revealed by telecoms regulator Ofcom.
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