名词
中文翻译：广播频率
同义词：
['radio frequency', 'television frequency', 'broadcast frequency']
例句：
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1. The radio station broadcasts a variety of programs every day.
这个广播电台每天播出各种节目。
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2. The TV network airs several news programs each week.
这个电视台每周播出几档新闻节目。
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3. The frequency of the signal is critical for communication.
信号的频率对于通信至关重要。