Because these different forms of electromagnetic radiation - on this "simplistic" level - are fundamentally so similar, they are today commonly viewed as composing a single spectrum.

因为这些各异的电磁辐射在“简单”层面上，即本质上是如此相似，所以如今把它们视为一个光谱中的组成部分。

youdao

We radiate electromagnetic radiation in the infrared part of the spectrum.

辐射出电磁辐射,我们身体是温暖的。

youdao

To grasp the wonders of the cosmos, and understand its infinite variety and splendor, we must collect and analyze radiation emitted by phenomena throughout the entire electromagnetic (EM) spectrum.

为了探索宇宙奥秘，了解其万千气象和波澜壮阔，我们必须借助电磁（EM)图谱，收集分析宇宙辐射。

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