Point of View: It's Personal Plural and Possessive Names: A Guide What's the difference between 'fascism' and 'socialism'? More Commonly Misspelled Words Words You Always Have to Look Up Popular in Wordplay See All 8 Words with Fascinating Histories ...
ictus,raptus,seizure- a sudden occurrence (or recurrence) of a disease; "he suffered an epileptic seizure" cortical epilepsy,focal epilepsy- epilepsy in which the attacks begins with an isolated disturbance of cerebral function (as a twitching of a limb or an illusory sensation or a mental dist...
The resulting complex topology functions as a solar mirror capable of\nconcentrating\nincident sunlight on a distant focal point. By adjusting the degree and\nlocation of the forces\napplied to the mirror, the focal length and degree of concentration of\nsunlight on the focal point\ncan be ...
the distance from a focal point of a lens or mirror to the corresponding principal plane. Also calledfo′cal dis`tance. Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved. ...
focal plane如何读 英:[ˈfəʊkəl plein] 美:[ˈfokəl plen] focal plane是什么意思 焦平面 focal plane英英释义 noun a plane that is perpendicular to the axis of a lens or mirror and passes through the focus noun a plane that is perpendicular to the axis of a lens or mirror...
to see you included exceptions to your NEVER comment. I've ground and polished a few mirrors and I tracked the focal length with a spherometer, "wet" mirror solar test (at the focal point) before the glass was polished, and polished mirror "flashlight" test (at the radius of curvature)...
as viewed from a point in the focal plane, beams from separated telescopes must be recombined so that they appear to be coming directly from a single large telescope which has been masked so as to reproduce exactly the ensemble of ... WA Traub - 《Applied Optics》 被引量: 144发表: 1986...
Ask a question Search AnswersLearn more about this topic: Plane Mirror Overview, Uses & Examples from Chapter 14 / Lesson 16 59K Explore plane mirrors. Learn the definition of a plane mirror and understand its different uses. Discover ...
a现在我们应该觉得安全第一 Now we should think the safety first[translate] a让我想想 Let me think[translate] a推进 Advancement[translate] aTo measure the depth response, a mirror is moved axially through the focal plane of the lens 要测量深度反应,镜子通过透镜的焦平面轴向地被移动[translate]...
Figure 2: The front focal point is related to parallel rays on the back side (= output side). The optical input is considered to be on the left side. The ray path within the device is only extrapolated from the outer ray path. For a defocusing system, the front focal plane can be ...