| 单词 | nodal point |
| 释义 | nodal pointnoun Optics.either of two points on the axis of a lens or other optical system, determined by extending an incident oblique ray and the corresponding refracted ray to the axis for the pair of rays that are parallel outside the optical system. Also called node. Origin of nodal pointFirst recorded in 1835–45 Words nearby nodal pointnod, nodal, nodal bradycardia, nodal escape, nodal extrasystole, nodal point, nodal rhythm, Noddack, nodding acquaintance, nodding dog, nodding donkey Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Medical definitions for nodal pointnodal point n.One of the two points in a compound optical system, located so that a light ray directed through the first point will leave the system through the second point, parallel to its original direction.axial point The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. |
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