名词
中文翻译：刻线曲线
同义词：
['notch', 'notch curve']
例句：
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1.The engineer carefully measured the notching curve of the gear to ensure it was accurate.
工程师仔细测量齿轮的刻线曲线，以确保其准确无误。
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2. The notching curve on the rock face is a crucial indicator of its strength.
岩石表面的刻线曲线是评估其强度的关键指标。
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3. The notching curve on the blade is designed to reduce friction and improve cutting efficiency.
刀片上的刻线曲线设计用于减少摩擦和提高切割效率。