名词
中文翻译：重力仪
同义词：
['gravimetric balance', 'gravimeter']
例句：
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1.The gravity variometer was used to measure the mass of the object.
重力仪被用来测量物体的质量。
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2. The gravitational force between two objects is measured using a gravity variometer.
两个物体之间的引力是通过重力仪来测量的。
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3.The gravity variometer was used to determine the density of the material.
重力仪被用来测定材料的密度。