We take as the second derivative formula.

取作为二次微商计算式。

youdao

So, what does the second derivative test say?

那么二阶导数判定是怎样的呢？

youdao

So, it's the second derivative of a position vector.

它是位置向量的二阶导。

youdao

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

耶鲁公开课 - 基础物理课程节选

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。

麻省理工公开课 - 化学原理课程节选

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。

麻省理工公开课 - 热力学与动力学课程节选

The art market must be a second derivative of the dramatic increase in the net worth of the 99.9th percentile both here and abroad.

FORBES: A Comet In Copper

The art market is a second derivative of wealth creation in the world.

FORBES: What $100 Got You In 1954: Lessons In Art And Growth Stocks

Brazil is the world's largest consumer of crack cocaine, and the second largest consumer of cocaine and derivative drugs after the US, according to a study released last month by the Sao Paulo Federal University.

BBC: Brazil drugs raids: Police surge into north Rio slums