把遥控器给我，我好选台。
当您在家里摆弄电视机上面的天线并选台时，您实际上正在接收这些广播信号。
When you stick rabbit ears on your TV set and pick up local stations for free, you are receiving broadcast television from local TV stations.
每一个电台均以频道组别编号来划分，方便听众在数码收音机输入号码选台。
Radio stations are distinguished by different channel group numbers. These numbers form the prefix of channels to allow listeners to choose specific channels.
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