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dioptre
[daɪˈɒptə(r)] [daɪˈɑːptər]

  • n. [光]屈光度(等于 diopter)

专业释义英英释义

  • 屈光度

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dioptre [ dai'ɔptə ]

  • n. 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

    同义词: diopter

以上来源于: WordNet

 柯林斯英汉双解大词典 

dioptre (also diopter)

[美国英语]
  • 1. 

    N a unit for measuring the refractive power of a lens: the reciprocal of the focal length of the lens expressed in metres 屈光度

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