限制酶图谱 xiànzhìméitúpǔ restriction mapping Origin Definitions Defs Strokes Stroke Words Sentences Sents 限制酶 xiànzhìméi restriction enzyme an enzyme that cuts DNA at specific sequences图谱 圖譜 túpǔ collection of illustrations; atlas a systematicaly organized collection of illustrations, maps, graphics, or plates used to explain subjects such as biology, medicine, or geography