noun
soft X-rays
Refers to X-rays with relatively low energy and longer wavelength, typically used in medical imaging or material analysis.
軟Ｘ線は、硬Ｘ線よりも物質に吸収されやすい。
Soft X-rays are more easily absorbed by matter than hard X-rays.
この装置は軟Ｘ線を使っ
This device uses soft X-rays to observe fine structures.