To take an extreme example, imagine that an electron does not scatter in an iron layer unless its spin points in the same direction as the layer's magnetization.
举一个极端的例子,假设一个电子没有在一个铁层散射,除非与层的磁化方向相同地旋转。
Dreams are usually contrary to the facts, which coincide with the philosophy that things will develop in the opposite direction when they become extreme.
梦通常与事实相反,这正好与物极必反的哲学思想相吻合。
Such is the nature of the swing of the poles and to the degree it is extreme in one direction so it also will become in the other.
这就是极性摇摆的天性,它在某个方向上极端的程度是多少,那么在相反方向上极端的程度也就是多少。
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