名词
中文翻译：摆锤平衡器
同义词：
['pendulum', 'pendulum balance']
例句：
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1.The pendulum balance was used to measure the angle of the sun in the sky.
摆锤平衡器被用来测量天空中太阳的角度。
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2. The pendulum balance was a crucial component of the ancient astronomical instruments.
摆锤平衡是古代天文仪器的关键组成部分。
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3. The pendulum balance was used to determine the weight of objects by measuring their displacement.
摆锤平衡被用来通过测量物体的位移来确定其重量。