语言选择:
免费网上英汉字典|3Dict

mass deficiency

资料来源 : WordNet®

mass deficiency
     n : the amount by which the mass of an atomic nucleus is less
         than the sum of the masses of its constituent particles
         [syn: {mass defect}]
依字母排序 : A B C D E F G H I J K L M N O P Q R S T U V W X Y Z