双语例句原声例句
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本文建立了多元复合函数的二阶偏导数公式。
In this paper, the formula of partial derivative of second order on compound function of many varables is established.
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如果我要求二阶偏导数,首先要求关于x的一阶偏导数,让我们首先求出,它等于2ax+by，对吧？
Wxx If I take the second derivative with respect to x and x so first I want to take maybe the derivative with respect to x Wx But first, let's take the first partial, Wx That will be 2ax by, right?
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由求解失效概率的改进一次二阶矩法出发，给出了失效概率对中间变量分布参数偏导数的计算公式；
On the basis of the advanced first order and second moment method, the partial derivatives of the failure probability to the distribution parameters of the process variables were formulated.
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But, of course, it's going to come from the fact that these second derivatives are also equal.
但是，结果同样是依赖于,二阶混合偏导数相等。
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Because these mixed second derivatives are the same thing.
因为这两个混合二阶偏导数,是相等的。
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Now let's take it in the other order.
我们用另一种顺序求二阶偏导数。
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