collimator

collimator读音音标

英 [\'kɒlɪmeɪtə]

美 [\'kɒləˌmeɪtə]

collimator意思解释

n.

瞄准仪；

准直器；

英英释义

n.

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

双语例句

用作名词(n.)The collimator lighting remains also switched on.准直仪照明仍然保持开启。The Collimator projects a reticle to infinity.准直仪将十字线投射到无穷远。