名词
中文翻译：差异分母
同义词：
['difference quotient', 'differential ratio', 'rate of change']
例句：
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1.To find the slope of a line, we need to calculate its differential quotient.
要找到一条线的斜率，我们需要计算它的微分商。
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2.The rate of change in temperature is directly related to the differential quotient.
温度的变化率与微分商直接相关。
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3.The differential quotient can be used to determine the rate of change of a function.
微分商可以用来确定函数的变化率。