SA indicates a S10 operation, the product of A and the inversion operation (i). This is the definition in the textbook. In this video, SA can operate the triangle on the face W to the face D, while the other cubies are unchanged. However, the counterclockwise permutation of the triangle ...
7.15 下午 BEXCO 二楼 Auditorium ,空间中心王赤老师给 Daniel Baker (USA, Director and Distinguished Professor, Laboratory for Atmospheric and Space Physics, Boulder, CO) 颁发赵九章奖 Jeoujang Jaw Award (a joint award of COSPAR and the Chinese Academy of Sciences); 该奖: 奖励 ...