魔方有哪几种?

2025-02-09 08:09:42
推荐回答(1个)
回答1:

魔方是匈牙利建筑学教授和雕塑家厄尔诺~鲁比克于1974年发明的机械益智玩具。自鲁比克1974年申报了三阶魔方专利后,魔方就很快风靡世界,让老鲁也成了一个大富翁,此后各种各样千奇百怪的魔方,就如雨后春笋般地冒了出来。于是也出现很多的魔方收藏者,为了便于各种魔方的收藏归类,国外收藏家们有两种魔方分类方法:一种是按形状来分类、一种是按结构来分类:
一、按魔方形状来分,主要的可分为10大类:
1、正四面体 见:正四面体(金字塔)魔方总汇
2、正六面体 
3、正八面体 见: 八面体魔方总汇
4、正十二面体
5、菱形十二面体
6、十四面体
7、二十面体 
8、球形体
9、柱形体
10、星形体
二、按魔方结构分类,可分为六大类:
1、两极类 2、四轴类 3、六轴类 4、八轴类 5、十二轴类 6、多轴类与混合轴类
  魔方是由多个旋转面组成的,每个旋转面都是以一个中心点来转的,与中心点垂直就是所谓的轴。所有的轴又相交于一点称核心,也就是魔方的内核块了。我觉得按结构分类更科学一点,因为它们的结构相似,解法相通。
三、另外按旋转过程中有些魔方的形状会不断变化,由些可分为两类:
1、传统类:是指旋转过程中魔方的外观形状保持不变,如常见的二阶、三阶、四阶等六面体魔方。
2、形变类:旋转过程中魔方的形状会不断变化,如常见的SQ1魔方、二阶金字塔魔方、二阶卡通魔方等。
魔方种类太多了,用“轴数+形状”不能完全表达一个魔方的特性,因此我归类魔方时又加了“阶”的概念。就是因为魔方上有的块由多个旋转层共有,所以魔方才能产生复杂的变化,这也是魔方的魅力所在。 “阶”数越高的魔方难度越大。 1、一阶:两旋转层相交只有一个魔方块的魔方,称“一阶魔方”,如八轴类的魔方大都是一阶的,如魔花、X魔方、鸭嘴兽魔方等,因此复原较简单。2、二阶:两旋转层相交只有两个魔方块的魔方,称“二阶魔方”,如十二轴二阶球魔方,是看不到与轴连接的块,被隐藏起来了。3、三阶:两旋转层相交只有三个魔方块的魔方,称“三阶魔方”,最常见的,如三阶魔方,五魔方。如这魔方拆开后可看出是四轴结构的: 这魔方两旋转层相交的块为三个,所以称它为“四轴三阶八面体魔方”: 4、高阶:两旋转层相交多于三个魔方块以上,统称称“高阶”。目前六轴类最高阶魔方为7阶,十二轴类最高阶的为五阶,高阶魔方是以后魔方新品的发展对象。 5、有些魔方两旋转层相交的块数不是一样的,如这四层金字塔魔方,它的阶是这样定的:这金字塔形魔方的内部其实就是一个四轴八面体魔方: 与四轴八面体相比较,增加的块有三种:顶块、中块、层A与层B相交的块,由于它增了的块为一阶,所以这魔方应称为“四轴3.1阶四面体魔方”它的难度为3.1阶。

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