“classical graph coloring”的概念、定义、翻译、参考文献-科学参考

单词	classical graph coloring
释义	classical graph coloring Encyclopedia 理学经典图染色释 classical graph coloring经典图染色长久以来，染色问题都是图论的一个核心问题，其最早可以追溯到四色问题：在给一个地图染色时，是否只用4种颜色就可以保证具有公共边界的不同国家染不同的颜色。
随便看	underlying-set functor underlying simple graph underlying space underlying topological space underlying topology underlying variety undermassive star undermoderated under-moon Under nutrition Under One Roof underpants underpass underpass bridge underpinning underpotential deposition underpotential deposition (UPD) underpressure underquenching under-relaxation underrelaxation underrelaxation factor underrelaxation method underscore underscreened Kondo effect

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