李世春
访问数：14390499
工作情况：中国石油大学（华东），教授
研究领域：工程材料
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Megaminx = Ih Point Group: (11): WEA[3^1]
WEA indicates a C3 operation, with the connecting line of the center of Megaminx to WEA as the axis, rotating 120° counterclockwise. This is the definition in the textbook. In this video, WEA can rotate the triangle on the face W to the face E, while the other cubies are unchanged. At the ...
2023-12-3 12:32
2013年 我的博文 和 2020年 Nature (NC) 所见略同
对南京大学院士候选人闻海虎和王牧争论焦点的科学点评 点击下边，查看2013年博文： 科学网—对南京大学院士候选人闻海虎和王牧争论焦点的科学点评 - 李世春的博文 (sciencenet.cn) 以上是我于 2013年10月写的科学博文，当年的结论是： 我的观点： 单从这篇 NC 文章看，闻海 ...
2023-11-26 13:11
Megaminx = Ih Point Group: (10): WDE[3^1]
WDE indicates a C3 operation, with the connecting line of the center of Megaminx to WDE as the axis, rotating 120° counterclockwise. This is the definition in the textbook. In this video, WDE can rotate the triangle on the face W to the face D, while the other cubies are unchanged. A ...
2023-11-20 21:56
Megaminx = Ih Point Group: (9): WCD[3^1]
WCD indicates a C3 operation, with the connecting line of the center of Megaminx to WCD as the axis, rotating 120° counterclockwise. This is the definition in the textbook. In this video, WCD can rotate the triangle on the face W to the face C, while the other cubies are unchanged. At th ...
2023-11-10 14:16
Megaminx = Ih Point Group: (8): WBC[3^1]
WBC indicates a C3 operation, with the connecting line of the center of Megaminx to WBC as the axis, rotating 120° counterclockwise. This is the definition in the textbook. In this video, WBC can rotate the triangle on the face W to the face B, while the other cubies are unchanged. At the ...
2023-10-27 13:40
Megaminx = Ih Point Group: (7): WAB[3^1]
WAB indicates a C3 operation, with the connecting line of the center of Megaminx to WAB as the axis, rotating 120° counterclockwise. This is the definition in the textbook. In this video, WAB can rotate the triangle on the face W to the face A, while the other cubies are unchanged. At the ...
2023-10-21 21:45
Megaminx = Ih Point Group: (6): E[5^1]
E indicates a C5 operation, with the normal line of the face E as the axis, rotating 72° counterclockwise. This is the definition in the textbook. In this video, E can rotate the triangle on the face W to the face D, while the other cubies are unchanged. At the same time, the three corner cu ...
2023-10-16 11:43
月赏红叶 太阳当空照
2023-10-9 10:25
秋高 照片爽
先给 浮云 戴上大红花 这是秋天的麒麟草 最高的麒麟草 右上角，有一只熊蜂，花的左下角也有一只熊蜂（在麒麟草的后面） 这是野生的苹果树，像是葡萄一样，野生苹果也串在一起生长（树很高） 果子不大，但是真正的累累（这树就生长在路边，这路也来来回回走了好几年了，今年才看见苹果） 也就是说 ...
2023-10-7 12:07
Megaminx = Ih Point Group: (5): D[5^1]
D indicates a C5 operation, with the normal line of the face D as the axis, rotating 72° counterclockwise. This is the definition in the textbook. In this video, D can rotate the triangle on the face W to the face C, while the other cubies are unchanged. At the same time, the three corner cu ...
2023-9-28 10:34
