屈光度 qūguāngdù diopter Definitions Defs Origin Strokes Stroke Words Sentences Sents 屈光度 qūguāngdù diopter A unit of measurement for the optical power of a lens or curved mirror, equal to the reciprocal of the focal length in meters. Frequency Movie subtitles 0.060 per million appears in 0% of films Written text 0.671 per million Sources Frequency data SUBTLEX-CHBCC Corpus (BLCU)
屈光度 qūguāngdù diopter A unit of measurement for the optical power of a lens or curved mirror, equal to the reciprocal of the focal length in meters. Frequency Movie subtitles 0.060 per million appears in 0% of films Written text 0.671 per million Sources Frequency data SUBTLEX-CHBCC Corpus (BLCU)