名词
中文翻译：音频频率计
同义词：
['audiometer', 'audiometer', 'audiometer']
例句：
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1.The audio frequency meter was used to measure the sound level in the room.
音频频率计被用来测量房间内的声音水平。
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2. The audio frequency meter showed that the sound level was at a safe level.
音频频率计显示声音水平处于安全水平。
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3.The audio frequency meter was used to test the sound quality of the headphones.
音频频率计被用来测试耳机的音质。