There has been consistent growth in GSM mobile subscribers.全球通手机用户持续增长。GSM - R network is constructed with focus on the railway service.GSM -R 网络的建设是以铁路通信业务为核心.The convertor has interfaces of GSM protocol and RS - 232 st...
I wasn't able to sleep that night, I was so keyed up.那一夜我无法入睡，我太激动了。Brian keyed in his personal code.布赖恩键入了他的个人密码。She keyed her mood to that of the other guests.她控制情绪使之与其他客人一致....