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dioptre [dai'ɔptə]    我要挑错精准翻译

参考词典中dioptre的常规释义:

基本释义
  • n. 屈光度
英英解释
  •  1个名词解释

    1. 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] diopter, dioptre
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