| 词汇 | example_english_primary-mirror |
| 释义 | primary mirrorcollocation in Englishmeanings of primaryand mirrorThese words are often used together. Click on the links below to explore the meanings. Or, see other collocations with mirror. primary adjective uk /ˈpraɪ.mər.i/ us /ˈpraɪ.mer.i/ more important than anything ... See more at primary mirror noun uk /ˈmɪr.ər/ us /ˈmɪr.ɚ/ a piece of glass with a shiny, metal-covered back that reflects light, producing an image of whatever is in front ... See more at mirror Examples of primary mirrorThese examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. All lens and primarymirror surfaces are spheroidal which eases construction. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The primarymirror is a concave hyperboloid with 4.1 m diameter and about f/1 focal ratio. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The auxiliary building includes facilities to wash, strip, and coat the primarymirror. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The primarymirror itself is 126 in diameter, but only the center 118 is used. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A telescope with a 150mm primarymirror is required to resolve the stars within this irregularly shaped cluster. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A paraboloidal shape is precisely the shape needed for the primarymirror of a telescope. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Its primarymirror is segmented with 1020 annular submirrors arranged in 17 concentric annuli. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. His telescope had its primarymirror adjusted at an angle of four degrees to the telescope's axis. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It has a 70 cm diameter primarymirror and a focal length of 46 m. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Upon further examination, coolant from the top unit was found to have leaked over the primarymirror and other parts of the telescope. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A cylindrical hole would quickly block light passing through the flat from the primarymirror as the steering flat tilt angle increases. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The diameter of the primarymirror should be larger than the aperture set by the corrector to avoid vignetting. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The distinctive diagonal shaft continues underground, where the telescope's primarymirror is located. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This meant that the telescope had to be relatively small, with a 45 cm primarymirror, and a total weight of 312 kg. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The architectures are a telescope with a monolithic primarymirror and two variations of a telescope with a large segmented primarymirror. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In the non-compact, the corrector plate remains at or near the center of curvature (twice the focal length) of the primarymirror. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It has a 4 clear-inch (105mm) diameter f/4.2 aluminized and overcoated borosilicate glass parabolic primarymirror with a focal length of 17 inches (445mm). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In the compact form, the corrector plate is located at or near the focus of the primarymirror. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Non-compact designs keep the corrector at the center of curvature of the primarymirror. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The largest current ground-based telescopes have a primarymirror of between 6 and 11 meters in diameter. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. Want to learn more? Go to the definition of primary Go to the definition of mirror See other collocations with mirror |
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