first derivative

基本解释

That's the first derivative of that position here.
是这里的,一阶导数。
The reversion of the vertical first derivative of gravity can improve interpretation accuracy and is useful for researching into bedrock structure.
用重力垂直一次导数来进行反演可提高解释精度，还可以用来研究基岩结构。
Continuity on first derivative of wave function is discussed by means of several instances of finite and infinite transitions of potential function and hereby continuity conditions is pinpointed.
结合势函数有限跃变和无限跃变的几种实例，讨论波函数一阶导数在势函数跃变处的连续性问题，从而进一步明确连续性条件。

The first derivative is more important than just the position of their regard for us, getting better and better.
态度的改观,比一开始对我们的看法更为重要，会越来越好。
耶鲁公开课 - 心理学导论课程节选
So the slope of the guess is the first derivative.
因此斜率等于此处的一阶导数。
麻省理工公开课 - 计算机科学及编程导论课程节选
The first derivative of their regard for us is positive. Okay?
他们对我们态度的转变首先是积极的，，对吧？
耶鲁公开课 - 心理学导论课程节选

Some of the group studied in Europe, and their work, to the Western eye, can at first appear derivative.
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