导数

A quasilinear equation is one in which the highest - order derivative appears linearly.

最高阶导数线性地出现的那种方程是准线性方程。

The specification of such " derivative boundary conditions " is described in Section 3 - 5 .

这种 “ 导数边界条件 ” 的规定描述于 3-5 节中。

It is interesting and enlightening to consider the derivative of a vector.

这对研究矢量的导数来说是重要的，而且富有启发性。

This limit is sometimes called the right - hand derivative.

这个极限有时称为右导数。

The derivative of the step is the impulse.

阶梯的导数就是脉冲。