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refractor    音标拼音: [rəfr'æktɚ]
n. 折射媒体,折射望远镜,折射透镜

折射媒体,折射望远镜,折射透镜

Refractor \Re*fract"or\ (r?-fr?kt"?r), n.
Anything that refracts; specifically: (Opt.) A refracting
telescope, in which the image to be viewed is formed by the
refraction of light in passing through a convex lens.
[1913 Webster]


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  • REFRACTOR Definition Meaning - Merriam-Webster
    The meaning of REFRACTOR is a telescope whose principal focusing element is a lens
  • Refracting telescope - Wikipedia
    A refracting telescope (also called a refractor or dioptric telescope) is a type of optical telescope that uses a lens as its objective to form an image The refracting telescope design was originally used in spyglasses and astronomical telescopes but is also used for long-focus camera lenses
  • Refraction - Wikipedia
    Refraction of light at the interface between two media of different refractive indices, with n2 > n1 Since the phase velocity is lower in the second medium (v2 < v1), the angle of refraction θ2 is less than the angle of incidence θ1; that is, the ray in the higher-index medium is closer to the normal For light, refraction follows Snell's law, which states that, for a given pair of media
  • Refractor - Science in Focus
    New research provides compelling evidence that fringed jumping spiders experience two distinct sleep states, including one that looks suspiciously like the rapid eye movement (REM) sleep associated with our own vivid dreams
  • Virtual Refractor
    Students can practice refraction with the VR anytime, anywhere with an internet connection An infinite number of patient prescriptions are available - the difficulty level of cases can be adjusted to suit your experience
  • Types of Telescopes: Refractor vs Reflector vs Compound
    The 3 main types of telescopes (refractors, reflectors and compound scopes) explained: how each works, its advantages, best uses, and which to buy first
  • What Is A Refractor Telescope?
    A refractor uses glass lenses to bend and focus light, while a reflector uses mirrors Refractors are low-maintenance and produce sharp images but are more expensive per inch of aperture
  • What Is a Refractor Telescope? An In-depth Explanation
    A refractor (also known as a refracting telescope) is a type of optical telescope that uses a collection of lenses to form an image, using light
  • The Beginners Guide to Refractor Telescopes - High Point Scientific
    What is a Refractor Telescope? Simply put, a refractor is a type of telescope that uses a lens to bend (or refract) light to a point The point where the light path intersects is called the “focal point”, and is where your eyepiece, camera, or diagonal would go
  • REFRACTOR Definition Meaning | Dictionary. com
    A refractor is a kind of lens that bends light to form a focused image A telescope that uses this type of lens to bring distant objects into view is also known as a refractor





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