| 释义 |
mass spectrographn.（名词）- An instrument used to determine the masses of atoms or molecules, in which a beam of charged particles is passed through an electromagnetic field that separates particles of different masses. The resulting distribution or spectrum of masses is recorded on a photographic plate.质谱仪：用于测定原子或分子的质量的仪器，在其中带电粒子束通过可分离不同质量粒子的电磁场。质量分布和质谱被记录在摄影感光板上
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