名词
中文翻译：重力计
同义词：
['balance', 'dynamometer']
例句：
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1.The scientist used a gravitometer to measure the weight of the object.
科学家使用了一个天平来测量物体的重量。
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2. The gravitometer was used to determine the mass of the object.
天平被用来确定物体的质量。
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3. The gravitometer was used to measure the force exerted by the object on the surface.
天平被用来测量物体对表面施加的力。