collimator
'kɒlimeitә
基本解释
n. 准直仪
[化] 准直管; 平行光管
英文释义
n. a small telescope attached to a large telescope to use in setting the line of the larger one
n. optical device consisting of a tube containing a convex achromatic lens at one end and a slit at the other with the slit at the focus of the lens; light rays leave the slit as a parallel beam
上一个单词：collimation equipment
下一个单词：collimator tube