The governing equation was derived making use of the viscoelastic constitution relation in which, besides the time derivatives, the material derivatives was also taken into account.

在控制方程的推导中，采用物质导数黏弹性本构关系取代通常采用的只对时间取偏导数的黏弹性本构关系。

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Mr. Miller adds that those derivatives, even today, are taking up a lot of time and energy.

米勒先生补充说，这些金融衍生产品直到今天还在花费大量的时间和精力。

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The stamp duties paid on British share purchases in Keynes’s time survive to this day, though they are easily sidestepped by investors using derivatives.

尽管在如今，投资者可以利用衍生品来规避税收，凯恩斯时代英国征收股票交易印花税的做法并未随时间的消逝而成为历史。

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It's constant pressure. OK, so now, last time you looked at the Joule expansion to teach you how to relate derivatives like du/dV.

这是恒压的，好，上节课你们,学习了焦耳定律,以及怎样进行导数间的变换。

麻省理工公开课 - 热力学与动力学课程节选

If I gave you the location of a particle as a function of time, you can find the velocity by taking derivatives.

如果我给出物体的位移是时间的函数,你可以通过求导来得到速度

耶鲁公开课 - 基础物理课程节选

We can start taking derivatives of this with respect to time.

我们首先来对时间求微分

耶鲁公开课 - 基础物理课程节选

Yet this might be a good time to introduce derivatives.

ECONOMIST: Indian derivatives

Mr Oudea rejects the idea of a systemic failure, arguing that the loss was a product of a particular time and place: a period of rapid growth in equity derivatives, which overstretched the bank's capacity to monitor itself, and a peripheral trading desk where people were less jumpy about the risk of fraud.

ECONOMIST: Soci��t�� G��n��rale

This time, the bubble has taken the form of secret trading in derivatives.

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