Maybe it would be easier to build an infinite long, super dense spinning cylinder which would also curse space-time enough to create a Time Loop.
可能做一个无限长、密度无限大的转筒更简单点。 这也会让时空弯曲，制造出时间循环。
The induced magnetic potential of an infinite long irony cylinder under the action of an external magnetic field is studied by the method of finite element.
本文研究了一个无限长铁质圆柱体在地磁场作用下的感应磁位问题。
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