['eksreɪ]

医疗的

radiografie f

X-rays

一般

Röntgenstraling f

物理科学

röntgenstralen; röntgenstraling f

X ray A penetrating electromagnetic radiation, usually generated by accelerating electrons to high velocity and suddenly stopping them by collision with a solid body, or by inner-shell transitions of atoms with atomic number greater than 10; their wavelength ranges from about 10(-5) angstrom to 10 angstroms, the average wavelength used in research being 1 angstrom ['eksrei]

环境

röntgenstraling f

X ray ['eksrei]