英语词汇“twelve-color problem”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	twelve-color problem
释义	twelve-color problem twelve-color problem [′twelv ¦kəl·ər ‚präb·ləm] (mathematics) The problem of showing that 12 colors are sufficient to color a map on which each country has at most one colony, and that there is such a map which requires 12 colors.
随便看	hold in hold in abeyance hold in check hold in contempt hold in custody hold in derision hold in fee holding holding a brief for holding action system holding against holding a grudge holding a gun to head holding a gun to her head holding a gun to his head holding a gun to my head holding a gun to one's head holding a gun to our head holding a gun to our heads holding a gun to their head holding a gun to their heads holding a gun to your head holding, aiming, breathing, instinctive position, trigger control holding all the aces holding all the cards

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