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1.56防蓝光镜片什么意思

更新时间: 2022-05-14 11:15:50     

指的是镜片1.56的折射率。一般来讲,500度以内的近视度数通常会选择1.56的折射率的镜片,近视镜片的折射率可以很方便的为选择镜片做参考。

关键词: 镜片 什么 意思

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