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词汇 dioptre
释义 dioptre 英daɪ'ɑptɚ美daɪ'ɑptɚ BNC⁹⁷²³³⁺
基本英英近义反义
n.屈光度¹⁰⁰= diopter美.

Noun:
a unit of measurement of the refractive power of a lens which is equal to the reciprocal of the focal length measured in meters; used by oculists近义词 diopter屈光度
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