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单词 anastigmatism
释义

anastigmat /an-ə-stigˈ-mat or ən-asˈtig-mat/

noun

A lens specially designed to avoid the focusing defect of astigmatism

ORIGIN: Gr an- (privative), and astigmatic

anastigmatˈic /an-ə-/ adjective

Free from astigmatism

anastigˈmatism noun

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更新时间:2024/12/23 8:47:33