名词
中文翻译：Unknown
同义词：
['radio signal', 'television picture signal', 'broadcast signal']
例句：
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1.The radio station broadcasted a live concertlast night.
昨晚，该广播电台直播了一场音乐会。
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2. The TV show's opening credits were broadcasted on the news channel.
电视节目的片头曲在新闻频道播出。
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3. The police received a distress signal fromthe missing plane.
警方收到了失踪飞机发出的求救信号。