And he's invented this very remarkable scanning system which scans at 12 different spectral ranges.
他发明了一种高超的扫描机器能够用12种不同的光谱波段来拍照。
Life Noggin
In 2007, samples of tardigrades were exposed to a space vacuum and two different ultraviolet radiation spectral ranges.
2007 年,缓步动物样本暴露在太空真空和两种不同的紫外线辐射光谱范围内。
英语百科
Electromagnetic spectrum
The electromagnetic spectrum is the collective term for all possible frequencies of electromagnetic radiation.
The "electromagnetic spectrum" of an object has a different meaning, and is instead the characteristic distribution of electromagnetic radiation emitted or absorbed by that particular object.