名词
中文翻译：距离变化率
同义词：
['rate of change', 'rate of displacement', 'rate of motion']
例句：
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1. The rate of change in temperature is a critical factor in predicting weather patterns.
温度变化率是预测天气模式的关键因素。
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2.The rate of displacement is the speed at which particles are displaced from their equilibrium positions.
位移率是粒子从其平衡位置被移动的速度。
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3.The rate of motion is the amount of movement that occurs over a given time interval.
运动速率是在给定时间内发生的移动量。