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词汇
four-color problem
释义
four-color problem
n.
(名词
noun
)
【数】
四色问题[猜想](十九世纪中叶以来提出的一个问题或猜想,即是否能用四种颜色绘制地图而不让同一种颜色的地区相邻,1976年得到肯定的证明)
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Patna rice
laborare est orare
laboratory
laboratory animal
laboratory disease
laboratory school
labor camp
Labor Day
labored
laborer
Labor Exchange
labor force
laboring
labor-intensive
laborious
laborite
Labor-Management Relations Act
labor market
labor movement
labor omnia vincit
labor pains
labor party
labor relations
laborsaving
labor skate
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更新时间:2026/9/21 2:46:04