名词
中文翻译：振荡的圆弧
同义词：
['oscillating arc', 'oscillating circle']
例句：
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1.The arc of the swing is acrucial part of its design.
秋千的振荡圆弧是其设计的关键部分。
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2.The arc of the curve is measuredby the distance between two points on thecurve.
曲线的振荡圆弧是通过曲线上两点之间的距离来测量的。
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3. Thearc of the circle is the portion ofthe circle that lies within a given radius.
圆的振荡圆弧是圆内半径范围内的一部分。