英语词汇mass spectrum怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	mass spectrum
释义	mass spectrumn.（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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