“biconditional”的概念、定义、翻译、参考文献-科学参考

单词	biconditional
释义	biconditional Encyclopedia 文学特指性释 biconditional双条件式对于任何命题P、Q而言，P是Q的充分必要条件，P成立时，Q成立；Q成立时，P成立，即P等价于Q的条件式。用符号“↔”表示。又称等值式。 Mathematics biconditional双条件的；双条件联结词
随便看	envelope function envelope glycoprotein envelope instabilility envelope instability envelope of a family of curves envelope of a family of surfaces envelope of holomorphy envelope of zero vertical velocity envelope pattern envelope power function envelope shock envelope star envelope theorem envelope velocity enveloping enveloping algebra enveloping algebra of a Lie group enveloping bialgebra enveloping cylinder enveloping function enveloping isotopy enveloping line of folds enveloping ring enveloping series enveloping surface

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