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1·And that is an approximation for partial derivative.

这就是偏导的近似值。

2·OK, so that's the definition of a partial derivative.

好的，那就是偏导数的定义。

3·So, at that point, the partial derivative is zero with respect to x.

因此这点上x的偏导为零。

4·We will replace the partial derivative by an ordinary derivative.

我们可用普通微商代替偏微商。

5·Well, we have seen that it is given by the partial derivative f sub x.

我们已经发现,它由f对x的偏导数给出。

6·Its partial derivative equation is solved by alternating direction implicit algorithm.

采用交替方向隐式算法求解偏微分方程。

7·Somehow, when you have a partial derivative, you must resist the urge of simplifying things.

当遇到偏导数时，一定记住，不能约分。

8·We will be doing qualitative questions sin like what is the sine of a partial derivative.

会有一些定性的问题,比如说。

9·The numerical partial derivative is introduced to simplify the GPS network adjustment model.

采用数值微商求偏导数的方法，从而使GPS网平差的计算模型非常简洁。

10·That was this symbolic vector operator in which the components are the partial derivative operators.

这个是符号化的向量算子，其中它的分量是偏微分算子。