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人眼能看到的最小物体是多大
更新时间: 2020-09-24 00:00:00  

人眼视觉是个很复杂的物理、生理及心理过程,据专家测定,当一个物体进入眼瞳形成的张角正好是以其距离为半径的圆周长度的三千六百分之一左右时,这个物体就表现为一个与背景有别的像点而被人眼看到。如果距离增大或物体缩小,这个物体的像点就融入背景中而不能被眼睛识别。

关键词: 人眼 看到 物体

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