“hard base”的概念、定义、翻译、参考文献-科学参考

单词	hard base
释义	hard base [`härd ¦bās] ^CHEMISTRY A Lewis base (electron donor) that has high polarizability and low electronegativity, is easily oxidized, or possesses lowlying empty orbitals; some examples are H₂O, HO^-, OCH₃^-, and F^-. ^ORDNANCE A launching base that is protected against a nuclear explosion.
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