参考词典中collimator的常规释义:
基本释义
- n. 瞄准仪
英英解释
2个名词解释
- a small telescope attached to a large telescope to use in setting the line of the larger one
- 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
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