“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	nuclear weapon nuclear weapon accident nuclear-weapon-free-zone nuclear weapon medical protection nuclear weapon reliability nuclear weapon's service life nuclear weapons with special perfermance nuclear weapon system nuclear wind nuclear winter nuclear Zeeman splitting nuclease nuclease hypersensitive element nuclease hypersensitive element (NHE) nucleate boiling nucleated domain nucleated dwarf elliptical galaxy nucleated dwarf galaxy nucleating center nucleation nucleation and growth transformation nucleation mode nucleation process nucleation rate nucleation role

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