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Sigma KEE - Electron
KB Term: 

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
电子
这是包围着 AtomicNucleusSubatomicParticle , 它们具有负电荷。
Relationships      
Parents 次原子粒子 The class of ElementalSubstances that are smaller than Atoms and compose Atoms.


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