“Xichengyi”的概念、定义、翻译、参考文献-科学参考

单词	Xichengyi
释义	Xichengyi Encyclopedia 历史学﹝西北地区﹞释 Xichengyi西城驿遗址中国河西走廊黑河中游地区新石器时代晚期至青铜时代遗址。
随便看	proper list coloring proper Lorentz group proper Lorentz transformation properly canonical representation properly contained filter properly containing filter properly convex function properly convex subset properly differentiable function properly discontinuous action properly discontinuous group properly divergent sequence properly divergent series properly elliptic properly elliptical properly elliptical operator properly elliptic equation properly equivalent form properly hyperbolic properly infinite algebra properly infinite projection properly nilpotent element properly posed problem properly primitive form properly triangular matrix

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