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单词 apochromat
释义

Collins Concise English Dictionary © HarperCollins Publishers::
apochromat /ˌæpəˈkrəʊmæt/, apochromatic lens n
  1. a lens, consisting of three or more elements of different types of glass, that is designed to bring light of three colours to the same focal point, thus reducing its chromatic aberration
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更新时间:2025/7/2 7:46:45