English translation for "四色问题"

four color problem
four-color problem
four-colour problem

Similar Words：

"四色蔬菜" English translation, "四色推测" English translation, "四色丸汤" English translation, "四色纬纱提" English translation, "四色纬纱提花台布" English translation, "四色显微镜透镜" English translation, "四色消色差透镜" English translation, "四色眼影梦幻组合" English translation, "四色印刷" English translation, "四色印刷的" English translation