the second derivative infrared spectra 二阶导数红外光谱
the second-derivative spectra 二阶导数光谱
the second derivative spectrophotometry 二阶导数分光光度法
So, what does the second derivative test say?
那么二阶导数判定是怎样的呢?
So, it's the second derivative of a position vector.
它是位置向量的二阶导。
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。
I tell you something about the second derivative of a function and ask you what is the function.
我告诉你一个函数的二阶导数,然后问你这个函数是什么
But, of course, we want to go all the way to distance, so we take the second derivative and we have this equation for force here.
当然我们最后想要的是距离,所以我们取二阶微,分就有这个式子。
Then the second derivative gives the change in entropy with respect to the variable that we're differentiating, with respect to which is either pressure or volume.
二阶导数给出熵,随着变量变化的情况,这些变量包括压强或者体积。
应用推荐