名词
中文翻译：椭圆绘图仪
同义词：
['ellipse tracer', 'ellipse tracer']
例句：
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1.The ellipsograph was used to plot the shape of the planets.
椭圆绘图仪被用来绘制行星的形状。
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2.The ellipsograph helped scientists to study the movement of stars.
椭圆绘图仪帮助科学家研究恒星的运动。
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3. The ellipsograph is a useful tool for making precise measurements.
椭圆绘图仪是一种有用的工具，用于进行精确测量。