释义 |
collimators 英kɒ'lɪmeɪtəz美kɒ'lɪmeɪtəz COCA²⁴⁵⁵³³ 基本英英例句 准直器¹⁰⁰原型collimator的复数 名词 collimator: a small telescope attached to a large telescope to use in setting the line of the larger oneoptical 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 beamThere are tens of combinations between thecollimatorsand the filters.多达几十种的准直器和滤光片的自由组合。 |