我们需要找到这个曲线的导数。

We need to find the derivative of this curve.

物理学中，速度是位移的导数。

In physics, velocity is the derivative of displacement.

我们需要找到被积函数的反导数。

We need to find the antiderivative of the integrand.

我们在数学课上学习了函数的导数。

We learned about the derivative of a function in math class.

计算这个函数的导数需要一些技巧。

Calculating the derivative of this function requires some skill.

一个非奇异的函数没有导数为零的点。

A nonsingular function has no points where its derivative is zero.

这个问题的解决方案涉及到导数的应用。

The solution to this problem involves the application of derivative.

通过求导数，我们可以确定函数的极值点。

By taking the derivative, we can determine the extremum points of the function.

而且导数的导数也是一个矢量

And the derivative of the derivative is also a vector.

求一阶导数就能得到速度

One derivative will give you the velocity,