名词
中文翻译：频率滤波器
同义词：
['bandpass filter', 'band-stop filter', 'band-limited filter']
例句：
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1. Thefrequency filter is used to remove noise from a signal.
这个频率滤波器用来从信号中去除噪声。
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2. The engineer designed the frequency filter to meet the specific requirements of the project.
工程师设计了这个频率滤波器以满足项目的具体需求。
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3. The frequency filter was crucial in enhancing the quality of the audio recordings.
这个频率滤波器在提高音频录音质量中起到了关键作用。