名词
中文翻译：调音器
同义词：
['tone tuner', 'tone generator']
例句：
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1. The tone locator was used to adjust the volume of the recording.
调音器被用来调整录音的音量。
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2. The tone locator helped us to match the sound with the lyrics.
调音器帮助我们将声音与歌词相匹配。
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3. The tone locator was used in the production of high-quality audio recordings.
调音器在生产高质量音频录音中被使用。