名词
中文翻译：摆锤等效长度
同义词：
['equivalent length', 'equivalent lengthof pendulum']
例句：
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1. The length of the pendulumis measured by its length and the angleit makes with the ground.
摆锤的长度通过其长度和与地面的夹角来测量。
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2. The experiment measures the equivalentlength of the pendulum to determinethe force applied to the object.
实验测量摆锤的等效长度，以确定施加在物体上的力。
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3. The lengthof the pendulum was used tocalculate the weight of the object.
摆锤的长度被用来计算物体的重量。