【diopter】的音标、怎么读

diopter怎么读

中考高考考研四级六级雅思托福 GRE

diopter是什么意思

音标: 英 [daɪ'ɒptə] 美 [daɪ'ɒptə]

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

n. 屈光度, 折光度
[计] 屈折度, 屈光度

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