| 单词 | focal plane |
| 释义 | focal planenoun Optics.a plane through a focal point and normal to the axis of a lens, mirror, or other optical system.Compare principal plane. the transverse plane in a telescope where the real image of a distant view is in focus. Origin of focal planeFirst recorded in 1890–95 Words nearby focal planefocal glomerulonephritis, focal infection, focalize, focal length, focal necrosis, focal plane, focal-plane shutter, focal point, focal ratio, focal reaction, focal segmental glomerulosclerosis Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for focal planefocal plane nounthe plane that is perpendicular to the axis of a lens or mirror and passes through the focal point the plane in a telescope, camera, or other optical instrument in which a real image is in focus Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
| 随便看 |
|
英语词典包含192737条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。