名词
中文翻译：摆锤长度
同义词：
['pendulum', 'pendulum length', 'pendulum arm例句：1. The physicist used a pendulum to measure the speed of light.（物理学家使用摆锤来测量光速。）']
例句：
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1. The physicist used a pendulum to measure the speed of light.
物理学家使用摆锤来测量光速。
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2.The pendulum length is measured in centimeters.
摆锤长度以厘米为单位测量。
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3. The pendulum length was used to determine the direction of the wind.
摆锤长度用于确定风向。