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擦痕
释义
擦痕
Encyclopedia
理学
后补(2)
释
scratch
擦痕
光学表面呈现的细微的长条形凹痕。是光学表面疵病之一。擦痕可以视作若干麻点的组合,或形状不规则的麻点,其对光学系统性能的影响与麻点类似。
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