在变压器短路电动力的计算中，目前是以静态力代替动态力的方法来进行的。

The calculation of transformer's electrodynamic forces during short - circuiting is done with substitution of static state force for dynamic state force till now.

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本文首先根据系统发生三相对称短路时的短路电流，给出了三相矩形母线短路电动力的解析表达式。

The expression for short-circuit electrodynamic force of rectangular bus bars on the basis of the calculation of three-phase symmetry short-circuit current was fi.

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本文讨论如何正确理解触头间的推斥电动力，并用能量平衡原理对触头推斥电动力的计算式作了分析与推导。

This paper discusses how correctly understand the repulsion force between the contacts, and the formula is derived for calculating the force by principle of energy balance.

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So, Marsden came up with the model, and as you go through 8.02 and you understand electrostatics and electrodynamics, you'll be able to do this analysis.

后来马斯登提出了这个模型，就像你们通过8。02的考试一样2,你们学过了静电学和电动力学，你也能做这些分析。

麻省理工公开课 - 固态化学导论课程节选

Here's where it comes. " The result of the discussion of these questions seems to be a general acknowledgment of the inadequacy of classical electrodynamics in describing the behavior of systems of atomic size."

这就是他来的地方“,这些问题讨论的结果,似乎变成了一种普通的知识,经典电动力学,不能描述原子尺度的系统行为“

麻省理工公开课 - 固态化学导论课程节选