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collimators的英文翻译是什么意思，词典释义与在线翻译：
英英释义
名词 collimator:
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a small telescope attached to a large telescope to use in setting the line of the larger one
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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
collimators的用法和样例：
例句
- There are tens of combinations between the collimators and the filters.
多达几十种的准直器和滤光片的自由组合。
