美 英 na.主焦点 网络主要焦点;光主焦点 英汉 网络释义 na. 1. 主焦点 例句
Q.Define principal focus of a convex lens. Draw light ray diagram of an image formed, when the object is placed in between principal focusFand2F. Write lens formula. Calculate power of a lens if its focal length is0.5m. Q. (a) With the help of a labelled diagram explain how a convex...
THE POSITION OF THE FIRST PRINCIPAL POINT OF THE LENS IN A SCHEMATIC EYEdoi:10.1111/j.1755-3768.1971.tb08674.xUlf HalldénBlackwell Publishing Ltd
1) the principal focus system 主聚焦系统1. It is to deal with the design of high-brightness CRT photoelectronical system and to analyse and examine the characteristics and parameters of both the principal focus system and the transmission system. 介绍机载高亮度CRT电子光学系统的设计,分析并验算...
Noun1.principal axis- a line that passes through the center of curvature of a lens so that light is neither reflected nor refracted; "in a normal eye the optic axis is the direction in which objects are seen most distinctly" optic axis ...
You’ll also commit to a customer-oriented focus by acknowledging their needs and offer customer pragmatic solutions that align with their data capabilities. Benefits/perks listed below may vary depending on the nature of your employment with Microsoft and the country where you work. Industry ...
This feature is often used in metrology since the measurement error is reduced when compared to conventional lens systems because the centroid of the blur remains at the same height from the optical axis even as the focus is varied. Show moreView chapterExplore book The Oblique Aberrations Rudolf...
aInterior orientation includes focal length, of principal point location, and lens distortion. Metric camera is calibrated in laboratory periodically through certified agencies to ensure stable geometry. Except for the airborne commercial digital cameras, current cameras are not designed for photogrammetric ...
iii. The principal inertial axis: that line passing through the center of gravity in a plane of symmetry about which a long, slender body tends to rotate when rolling. iv. A rectilinear axis in the plane of a cross section of a structural member about which the moment of inertia is the...
noun centre, heart, focus, basis, core, pivot, kernel, nub The Civic Movement could be the nucleus of a centrist party of the future. Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002 nucleusnoun A source of further...