Read Edit View history 双凸面 shuāngtūmiàn biconvex Origin Definitions Defs Strokes Stroke Words Sentences Sents 双凸面 (雙凸面) shuāngtūmiàn biconvex having two convex surfaces, especially referring to an optical lens Sources Definitions CC-CEDICT
双凸面 (雙凸面) shuāngtūmiàn biconvex having two convex surfaces, especially referring to an optical lens Sources Definitions CC-CEDICT