Now scientists have invented a gadget that allows viewers to watch three dimensional holographic videoes without the need for special glasses.

现在，科学家已经发明了一个小巧的装置，使得观看者能够在不需要特殊眼镜的情况下，看到三维的全息视频。

youdao

Now scientists have invented a gadget that allows viewers to watch three dimensional holographic videoes without the need for special glasses.

现在，科学家已经发明了一个小巧的装置，使得观看者能够在不需要特殊眼镜的情况下，看到三维的全息视频。

youdao