单词 | apertometer |
释义 | apertometer /ap'euhr tom"i teuhr/, n. Optics. an instrument for measuring the angular and numerical aperture of the objective lens of a microscope. [1875-80; APERT(URE) + -O- + -METER] |
随便看 |
|
英语词典包含168451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。