名词
中文翻译：直线型三角铁音高
同义词：
['in-line triangle pitch', 'in-line triangle frequency']
例句：
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1. The orchestra playeda beautiful piece of music with an in-line triangular pitch.
乐团演奏了一首优美的音乐，音高为直线型三角铁。
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2. The engineer used an in-line triangular pitch to tune the tuning fork.
工程师使用直线型三角铁音高来调校音叉。
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3. The musician's performance was characterized by its precise use of in-line triangular pitch.
音乐家的表现力在于其精确运用直线型三角铁音高。