单词 | aldis lens |
释义 | > as lemmasAldis lens Aldis lens n. Optics (now chiefly historical) a kind of anastigmatic compound lens that is a doublet consisting of a front lens which is convex on one side and concave on the other and a back lens which is convex on both sides.extracted from Aldisn.< as lemmas |
随便看 |
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。