| 单词 | mass spectrum |
| 释义 | mass spectrum【化】 质谱 mass spectrum mass spectrum n.（名词）A band of charged particles of different masses formed when a beam of ions is passed through the deflecting fields of a mass spectroscope, from which the masses of atoms, molecules, or isotopes can be determined.质量光谱，质谱：当离子束穿过质量分光镜偏转场时所形成的不同质量电荷粒子波带，藉此可测定原子、分子或同位素的质量 |
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