3325英语网 英语单词
Diopter的音标发音
Diopter
英式发音：[dai'ɔptә(r)]
美式发音
(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.
布兰得利整理
(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.
布兰得利整理