“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	biological foundations of language development biological fuel cell biological functional materials biological half-life biological half-life time biological hazard biological heat transfer biological hydrogen production biological hydrogen production technology and equipment biological immobilization biological information biological injury in hot environment biological ink biological inorganic chemistry biological intrusion disaster in China biological invasion biological isotopic effect biologically active peptide biologically active preparations biologically derived materials biological macromolecule biological mass spectrometry biological mass spectrometry (BMS) biological material biological material surface and interface

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