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Relation: subclass

direct-childrendocumentationgraph
ElementalSubstance119这是PureSubstance Class，它是不能通 过普通的化学（或物理)手段分割成两个或以上 Substance。这不包括核反应。 ElementalSubstance 由单 ...^
    Atom1这是一个极小的物质单位，它能 在化学反应中保持自己的本性。它由一个 AtomicNucleus 和 以个包围着 AtomicNucleus 的 Electron 所组成。^
        FreeAtom.^

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