Read Edit View history 菲湼耳透鏡 fēiniè'ěrtòujìng Fresnel lens Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 菲涅耳透镜/ 菲湼耳透鏡 fēiniè'ěrtòujìng Fresnel lens a thin, flat lens consisting of a series of concentric steps used to focus light Edit Delete References Add reference No references for this word.
菲涅耳透镜/ 菲湼耳透鏡 fēiniè'ěrtòujìng Fresnel lens a thin, flat lens consisting of a series of concentric steps used to focus light Edit Delete