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quadrivalence

n. 四价

1、四价

... quadripole 四端网络，四端电路，四极 quadrivalence 四价 quadrode 四极管 ...

2、四価

... quadriplegia (四肢麻痹) quadrivalence (四価) qualification (资格，能力; 制限，限定，修正) quantification (定量化) ...

quadrivalence selenium四价硒

quadrivalence quadrivalency四价

quadrivalence mn四价锰

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