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  该提供商收集的部分数据用于个性化和衡量广告效果。
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统计cookie能够通过收集和匿名报告信息帮助网站拥有者了解访客与网站互动的方式。
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  该提供商收集的部分数据用于个性化和衡量广告效果。
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  最大存储时长: 永久类别: IndexedDB
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Cookie 声明由Cookiebot最后更新于 4/14/25

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Abbe-Number

Also known as Abbe constant, it inversely quantifies the amount of dispersion in an optical medium. It is given by a function of the refractive index of a material at the f (486.1nm), d (587.6nm), and c (656.3nm) wavelengths. A material with a high Abbe number means that the different wavelengths will have nearly the same index of refraction in that medium, yielding less separation between wavelengths of light.

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