| 单词 | spherical aberration |
| 释义 | spherical aberration【化】 球差; 球面像差【医】 球面象差 spherical aberration spherical aberration n.（名词）A blurred image that occurs when light from the margin of a lens or mirror with a spherical surface comes to a shorter focus than light from the central portion.球面像差：由于透镜或镜子呈球形，致使边缘光线的焦点短于中心光线的焦点而产生的像差 |
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