英语词汇“if and only if {= iff}”的翻译、意思、用法、释义-英汉汉英词典

单词	if and only if {= iff}
释义	if and only if {= iff}若且唯若；当且仅当if and only if {= iff}若且唯若；當且僅當數學名詞
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