| 单词 | collimator |
| 释义 | collimator (once / 328315 pages) n WORD FAMILY collimator: collimators+/collimate: collimated, collimating, collimation, collimator USAGE EXAMPLES“The only thing that moves is the collimator. “In a sense, it’s like a step-and-shoot. Washington Times(Jul 02, 2016) I enclose the radioactive sodium in a so-called collimator: a lead storage canister in which I drilled a 1/2-inch hole at either end. Scientific American(Feb 14, 2013) Collimator for comparing the intensity of two sources of light 109 28. Abney, W. de W., Colour Measurement and Mixture(2012) 1n 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 Hyper optical device a device for producing or controlling light 2n a small telescope attached to a large telescope to use in setting the line of the larger one Hyper scope, telescope a magnifier of images of distant objects |
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