The electromagnetic motion is an important form of matter motion. The basic law of the electromagnetic motion is the Maxwell Equations.

电磁运动是物质运动的重要形式之一，电磁运动所遵从的基本规律是麦克斯韦方程组。

youdao

Light is to be considered as some kind of wave motion of electromagnetic origin.

我们应该把光看成是某种电磁性质的波动。

youdao

A photon is explained as an exciton of the electromagnetic mode, and the photon has an internal motion.

把光子理解为一个电磁模的元激发，光子亦具有内部运动。

youdao

The new work focuses instead on cold, dense masses of gas that have markedly less random motion, and which emit their radiation in the microwave part of the electromagnetic spectrum.

BBC: Supermassive black hole weighed using new scale