名词
中文翻译：转换频道
同义词：
['channel', 'frequency', 'modulation']
例句：
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1.The radio station is shifting its channel to cover a wider range of music.
这家电台正在改变频道，以覆盖更广泛的音乐范围。
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2. The signal was too weak to be heard clearly on the old channel.
信号太弱，无法在旧频道上清晰地听到。
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3. The new program will feature a different channel for each day of the week.
新的节目将每天更换一个频道。