电动力学是多玩电阻.

Electrodynamics is more than playing with resistors.

用两分钟时间解释一下量子电动力学，现在开始。

Explain quantum electrodynamics in two minutes, starting now.

讨论了电动力学教学过程有关群速度及色散的概念。

Concepts of group velocity and dispersion in electrodynamics course are discussed in this paper.

以下讲义简介本课程会接触到之电动力学物理实验摘要.

These handouts accompany and summarize the physical electrodynamics demonstrations shown during class.

但是同样奠基于电动力学的广义相对论，时空观却没有被物理学家修改。

But the spacetime used in general relativity, also based on electrodynamics, was left unchanged.

但是同样奠基于电动力学的广义相对论，时空观却没有被物理学家修改。

But the spacetime used in general relativity, also based on electrodynamics , was left unchanged.

它完全预言了几年后微观理论所发现的那种形式的电动力学。

It anticipates completely the form of electrodynamics found several years later from the microscopic theory.

整个方案都基于现有的腔量子电动力学技术，因此该方案是可行性的。

The scheme is in the range of present technology of cavity quantum electrodynamics, thus it is feasible.

如何论证电磁波的相位不变性,这在电动力学中是一个重要的问题.

How to verify the phase invariability of electromagnetic waves is avery important phoblem in the electrodynamics.

量子电动力学是规范的量子场理论，我们在上面已经讨论了这种理论框架中的一些过程。

Quantum electrodynamics, some processes in which we have discussed above, is the prototype quantum field theory.