Stereoscopic vision is the direct perception of distances of objects, using both eyes.

立体视觉是两眼对物体距离的直观感觉。

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The images showed by stereoscopic display technology only have psychological depth perception and cannot provide physical depth perception, so they will discomfort the observers.

全息显示对已经存在的物体可以进行最为理想的三维再现，但对虚拟物体的显示还存在技术障碍。

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