second derivative
二阶导数：一个函数的导数的导数。
常用释义
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基本释义
- 二阶导数：一个函数的导数的导数。
例句
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1·We take as the second derivative formula.取作为二次微商计算式。
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2·So, what does the second derivative test say?那么二阶导数判定是怎样的呢？
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3·And all we did, further, is take that second derivative.总而言之，我们所做的就是求二阶导数。
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4·So, it's the second derivative of a position vector.它是位置向量的二阶导。
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5·The second derivative, they say, is turning positive.他们说二阶导数转为正值了。
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6·We cannot use second derivative tests or anything like that.我们不可以用2阶导数来观察或者别的什么方法。
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7·I wish I were your second derivative so I could fill your concavities.我希望我是你的另一个衍生物，那么我就可以填充你的凹陷了。
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8·The automatic peak-seeking algorithm was based on the covariance and second derivative.通过协方差法和二阶求导法实现了光谱峰位的自动检测；
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9·Basically, the answer for us is that we don't have a second derivative test in this situation.基本上，答案就是，我们不可以用二次导数来验证这个情况。
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10·This factor has been dubbed "the second derivative", or the rate of change of the rate of change.这一因素被称为是“二阶导数”，或者是变化率的变化率。