• But luckily for us, there's a classical equation of motion that will, in fact, describe how the electron and nucleus change position or change their radius as a function of time.

    但幸运的是,有一个,经典方程描述了电子和核子,位置或者它们直接的距离是,如何随时间变化的。

    麻省理工公开课 - 化学原理课程节选

  • This is actually kind of a moderate position because it talks about government and the people sharing power here and taking responsibility for change.

    这实际上是一种中立的立场,即作为分担责任的代价,政府与公民分掌权利

    耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

  • And since we are not expecting the mass of the particle to change, what we really are saying is the uncertainty in its velocity times the uncertainty in its position is greater than the ratio of the Planck constant divided by 2 pi.

    因为我们不期望,粒子质量发生变化,我们说的是,它速度的不确定度,乘以它位置的不确定度,比普朗克常量,除以2除以圆周率要大。

    麻省理工公开课 - 固态化学导论课程节选

  • Then again, you will find the evolution of the planetary motion, because the rate of change of the rate of the change of the position is connected to the position.

    同样地,这就是行星运动的演化过程,因为行星位移的变化率的变化率,与它的位移有关

    耶鲁公开课 - 基础物理课程节选

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