Lizo MzimbaEntertainment correspondent
Lets assume, we would double, triple, quadruple, etc. Bobs world and stack these copies on top of each other. Bob would never notice, as long as each copy is just a “shallow” copy, meaning that each movement in the fundamental domain (the original world) is mirrored in the copies. In this case, we would have a covering space of Bobs world, and the original world would be the base space.。旺商聊官方下载对此有专业解读
。PDF资料是该领域的重要参考
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