英语词汇“mass number”是什么意思，“mass number”的读音、用法及例句翻译-烛光网

词汇	mass number
释义	mass numbern.（名词） The sum of the number of neutrons and protons in an atomic nucleus. Also called nucleon number 质量数：原子核中质子和中子的总数也作 nucleon number
随便看	bacons bact. bacter- bacteremia bacteremias bacteri- bacteria bacteria bacteria bacteriaemia bacterial bacterial vaginoses bacterial vaginosis bacterias bactericide bactericides bacteriemia bacterin bacterins bacterio- bacterio- bacteriocide bacteriocin bacteriocins bacteriogenic

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