名词中文翻译
中文翻译：比例规
同义词：
['proportional ruler', 'scale']
例句：
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1.The engineer used a proportional compasses to measure the angle accurately.
工程师用比例规准确测量了角度。
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2. The surveyor used a proportional compasses to plot the location of the new road.
测量员用比例规绘制了新道路的位置。
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3.The scientist used a proportional compasses to compare the sizes of two objects.
科学家用比例规比较了两个物体的大小。