名词
中文翻译：音频衰减器
同义词：
['audio level controller', 'audio equalizer']
例句：
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1.The audio attenuator was used to reduce the volume of the sound.
音频衰减器被用来降低声音的音量。
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2.The audio attenuator was used to enhance the clarity of the audio signal.
音频衰减器被用来增强音频信号的清晰度。
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3. The audio attenuator was used to balance the levels of the different channels in the audio system.
音频衰减器被用来平衡音频系统中不同频道的水平。