名词
中文翻译：反弹摆锤
同义词：
['rebound hammer', 'rebound bob', 'rebound lever']
例句：
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1. The rebound pendulum is used to measure the speed of a projectile.
反弹摆锤用于测量弹丸的速度。
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2. The rebound pendulum was used to determine the direction of the wind.
反弹摆锤被用来测定风的方向。
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3. The rebound pendulum was used to measure the accuracy of the clock.
反弹摆锤被用来测量时钟的准确性。