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。

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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。

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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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This new app will take this idea into a more extreme direction and remove the voluntary part of the equation.

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They need to know the more extreme a trend in one direction, the more extreme the move in the opposite direction.

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We scale back extreme movements in either direction because they are unlikely to be repeated.

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