中国科学家研制出一种电磁旋涡炮 诸平 Fig. 1 An innovative “electromagnetic vortex cannon” capable of emitting vortex rings has been created, mirroring the behavior of natural air vortices. This technology could revolutionize communication and remote sensing with its enhanced data en ...
SD indicates a S10 operation, the product of D and the inversion operation (i). This is the definition in the textbook. In this video, SD can operate the triangle on the face W to the face B, while the other cubies are unchanged. However, the counterclockwise permutation of the tria ...
由于现行量子力学教材内容都没 up to date ，所以附带的习题（与考研的辅导教材）也是老掉牙的，还是我在五十年前所看到的内容，真是似曾相识燕归来。我倒不是说这些习题没有意义，而是说当学习者如能掌握我的理论后再去看这些旧习题，就如同学过高等数学者去看中学习题那样索然无味。 实际上，如今呼吁搞尖端的量子计算 ...
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