| focal sclerosing o. |
a chronic confined inflammatory response of bone to low-grade infection, with formation of dense trabecular bony masses with little interstitial marrow tissue. It occurs particularly in the mandible of children and young adults, adjacent to the apex of a tooth with long-term pulpitis. Called also condensing osteitis.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| focal point |
means a facility established to encourage the maximum collocation and coordination of services for older persons.
출처: www.policy.okdhs.org/ch105/340-105-10/340_105-10-3...
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| focal length |
The distance at which light rays are brought into focus for a particular lens or mirror.
출처: www.thebeerchair.com/html%20documents/astronomy%20...
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| focal plane |
The plane (usually this is actually the surface of a sphere of large radius) where the image is formed by the main optics of the telescope. The eyepiece examines this image.
출처: www.aoe.com.au/astronomical_glossary.html
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| focal length |
The size of the angle of view of the lens, measured in millimeters. The smaller the number, the wider the lens. Zoom lenses have a range of focal lengths.
출처: www.dvspot.com/features/glossary.shtml
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