在狭缝的夫琅和费衍射中，由振动平行和垂直于缝边的偏振光的衍射条纹得到的缝宽值不同。

In Fraunhofer diffraction of a slit, the slit widths obtained with the fringes produced by polarized light whose vibration is parallel or perpendicular to the slit edge are different.

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我们仍不可能说电子究竟是通过双缝中的哪个狭缝。

We cannot tell which slit the electron passed through.

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