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。

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.

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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。

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.

youdao